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<!ENTITY legal SYSTEM "legal.xml">
<!ENTITY appversion "5.5.37">
<!ENTITY manrevision "2.9">
<!ENTITY date "March 2005">
<!ENTITY app "<application>gcalctool</application>">
<!ENTITY appname "Calculator">
<!ENTITY ldquo "&#147;">
<!-- Left Double Quote --><!ENTITY rdquo "&#148;">
<!-- Right Double Quote -->]>
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  <articleinfo> 
    <title><application>gcalctool</application> Manual</title>       

    <abstract role="description">
      <para>
      gcalctool is a calculator for GNOME. It includes basic, advanced, 
      financial, and scientific modes and uses a multiple precision package 
      to do its arithmetic to give a high degree of accuracy.
      </para>
    </abstract>

    <copyright> 
      <year>2003</year> 
      <year>2004</year> 
      <year>2005</year>
      <holder>Sun Microsystems</holder> 
    </copyright> 
<!-- translators: uncomment this:

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   <year>2003</year>
   <holder>ME-THE-TRANSLATOR (Latin translation)</holder>
  </copyright>

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    <publisher role="maintainer"> 
      <publishername>GNOME ドキュメンテーションプロジェクト</publishername> 
    </publisher> 

     <legalnotice id="legalnotice">
	<para>
	  Permission is granted to copy, distribute and/or modify this
	  document under the terms of the GNU Free Documentation
	  License (GFDL), Version 1.1 or any later version published
	  by the Free Software Foundation with no Invariant Sections,
	  no Front-Cover Texts, and no Back-Cover Texts.  You can find
	  a copy of the GFDL at this <ulink type="help" url="ghelp:fdl">link</ulink> or in the file COPYING-DOCS
	  distributed with this manual.
         </para>
         <para> This manual is part of a collection of GNOME manuals
          distributed under the GFDL.  If you want to distribute this
          manual separately from the collection, you can do so by
          adding a copy of the license to the manual, as described in
          section 6 of the license.
	</para>

	<para>
	  Many of the names used by companies to distinguish their
	  products and services are claimed as trademarks. Where those
	  names appear in any GNOME documentation, and the members of
	  the GNOME Documentation Project are made aware of those
	  trademarks, then the names are in capital letters or initial
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	</para>

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	  DOCUMENT AND MODIFIED VERSIONS OF THE DOCUMENT ARE PROVIDED
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    <authorgroup> 
      <corpauthor> Sun Microsystems Inc.</corpauthor>

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                          <orgname>Latin Translation Team</orgname> 
                          <address> <email>translator@gnome.org</email> </address> 
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    </authorgroup>

    <revhistory>
    <revision> 
                <revnumber>Calculator Manual V2.9</revnumber> 
                <date>March 2005</date> 
                <revdescription> 
                          <para role="author">Sun Java Desktop System Documentation Team
                          </para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
      <revision> 
                <revnumber>Calculator Manual V2.8</revnumber> 
                <date>August 2004</date> 
                <revdescription> 
                          <para role="author">Sun Java Desktop System Documentation Team
                          </para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
      <revision> 
                <revnumber>gcalctool Manual V2.7</revnumber> 
                <date>February 2004</date> 
                <revdescription> 
                          <para role="author">Sun GNOME ドキュメンテーションチーム</para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
      <revision> 
                <revnumber>gcalctool Manual V2.6</revnumber> 
                <date>October 2003</date> 
                <revdescription> 
                          <para role="author">Sun GNOME ドキュメンテーションチーム</para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
      <revision> 
                <revnumber>電卓 マニュアル V2.5.1</revnumber> 
                <date>July 2003</date> 
                <revdescription> 
                          <para role="author">Sun GNOME ドキュメンテーションチーム</para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
      <revision> 
                <revnumber>gcalctool マニュアル V2.5</revnumber> 
                <date>2003 年 7 月</date> 
                <revdescription> 
                          <para role="author">Sun GNOME ドキュメンテーションチーム</para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
      <revision> 
                <revnumber>gcalctool マニュアル V2.4</revnumber> 
                <date>April 2003</date> 
                <revdescription> 
                          <para role="author">Sun GNOME ドキュメンテーションチーム</para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
      <revision> 
                <revnumber>gcalctool マニュアル V2.3</revnumber> 
                <date>April 2003</date> 
                <revdescription> 
                          <para role="author">Sun GNOME ドキュメンテーションチーム</para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
      <revision> 
                <revnumber>gcalctool マニュアル V2.2</revnumber> 
                <date>March 2003</date> 
                <revdescription> 
                          <para role="author">Sun GNOME ドキュメンテーションチーム</para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
      <revision> 
                <revnumber>gcalctool マニュアル V2.1</revnumber> 
                <date>March 2003</date> 
                <revdescription> 
                          <para role="author">Sun GNOME ドキュメンテーションチーム</para>
                          <para role="publisher">GNOME ドキュメンテーションプロジェクト</para>
                </revdescription> 
      </revision> 
    </revhistory> 

    <releaseinfo>This manual describes version 5.5.37 of Calculator.
    </releaseinfo> 
    <legalnotice> 
      <title>フィードバック</title> 
      <para><application>電卓</application> アプリケーションまたはこのマニュアルに関してバグやご意見をご報告いただく場合は、<ulink url="ghelp:gnome-feedback" type="help">GNOME フィードバックページ</ulink> にある説明に従ってください。</para>
<!-- Translators may also add here feedback address for translations -->
    </legalnotice> 
  </articleinfo> 

  <indexterm zone="index"> 
    <primary>gcalctool</primary> 
  </indexterm> 
  <indexterm zone="index"> 
    <primary>Calculator</primary> 
  </indexterm>

<!-- ============= Document Body ============================= -->
<!-- ============= Introduction ============================== -->
  <sect1 id="gcalctool-intro"> 
    <title>概要</title> 
    <para>The <application>gcalctool</application> application provides the following modes for different types of mathematical functionality: </para>
     <variablelist>
        <varlistentry>
        <term><link linkend="gcalctool-basic-mode">「Basic」</link></term>
        <listitem><para>The default mode. Provides standard calculator functions. You can perform standard addition, subtraction, division, and multiplication functions in Basic mode and you can use all of the Basic functions in each of the other modes.</para></listitem>
        </varlistentry>
  <varlistentry>
        <term><link linkend="gcalctool-advanced-mode">Advanced </link></term>
        <listitem><para>Provides advanced calculator functions. You can store numbers in 10 different memory registers, and easily retrieve and replace the numbers in the memory registers. You can use all of the Advanced functions in Financial, Scientific and Programming modes.</para></listitem>
        </varlistentry>
        <varlistentry>
        <term><link linkend="gcalctool-financial-mode">「Financial」</link></term>
        <listitem><para>複雑な財務機能を複数提供します。</para></listitem>
        </varlistentry>
        <varlistentry>
        <term><link linkend="gcalctool-scientific-mode">「Scientific」</link></term>
        <listitem><para>Provides many additional mathematical functions, including trigonometric functions. You can also store your own functions and constants, when you use Scientific mode.</para></listitem>
        </varlistentry>
                <varlistentry>
                <term><link linkend="gcalctool-programming-mode">Programming </link></term>
                <listitem><para>Provides functions useful to a programmer, including bitwise functions and a bit editor.</para></listitem>
                </varlistentry>
     </variablelist>

    <para><application>電卓</application> は、以下の進法で使用できます。</para>
      <informaltable frame="all">
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="COLSPEC0" colwidth="50*"/>
          <colspec colname="COLSPEC1" colwidth="50*"/>
          <thead>
            <row valign="top">
              <entry colname="COLSPEC0">
                <para>進法</para></entry>
              <entry colname="COLSPEC1" align="right">
                <para>基数</para></entry>
            </row>
          </thead> 
          <tbody> 
            <row valign="top">
              <entry><para>2 進法</para></entry>
              <entry align="right"><para>2</para></entry>
            </row>
            <row valign="top">
              <entry><para>8 進法</para></entry>
              <entry align="right"><para>8</para></entry>
            </row>
            <row valign="top">
              <entry><para>10 進法</para></entry>
              <entry align="right"><para>10</para></entry>
            </row>
            <row valign="top">
              <entry><para>16 進法</para></entry>
              <entry align="right"><para>16</para></entry>
            </row>
          </tbody> 
        </tgroup>
      </informaltable>
                           
  </sect1>

<!-- =========== Getting Started ============================== -->

  <sect1 id="gcalctool-get-start"> 
    <title>基本的な使用方法</title> 
    <para>You can start <application>gcalctool</application> in the following ways:</para>
    <variablelist>
      <varlistentry>
        <term>Menu</term>
        <listitem>
          <para>
            Choose <menuchoice><guimenu>Accessories</guimenu><guimenuitem>Calculator</guimenuitem></menuchoice>.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>Command line</term>
        <listitem>
          <para>
            Execute the following command: <userinput>gnome-calculator</userinput></para>
        </listitem>
      </varlistentry>
    </variablelist>
    <para>When you start <application>gcalctool</application>, the following window is displayed:</para>

    <!-- ==== Figure ==== -->
      <figure id="gcalctool-FIG-basic"> 
        <title><application>電卓</application> の基本モードウィンドウ</title> 
        <screenshot> 
          <mediaobject> 
            <imageobject><imagedata fileref="figures/gcalctool_basic_window.png" format="PNG"/> 
            </imageobject>
            <textobject> 
              <phrase>Shows <application>gcalctool</application> Basic mode window.  </phrase> 
            </textobject> 
          </mediaobject> 
        </screenshot> 
      </figure>
    <!-- ==== End of Figure ==== -->
                <para>The <application>gcalctool</application> window contains the following elements: </para>
                <variablelist>
                  <varlistentry> <term>メニューバー</term>
                         <listitem>
                                <para>The menus on the menubar contain all of the commands that you need to work with <application>gcalctool</application>.</para>
                         </listitem>
                  </varlistentry>
                  <varlistentry> <term>表示領域</term>
                         <listitem>
                                <para>The display area shows the numbers that you enter, and the results of calculations.</para>
                         </listitem>
                  </varlistentry>
                  <varlistentry> <term>モード領域</term>
                         <listitem>
                                <para>The mode area displays the buttons for the current mode. The Basic mode buttons are always displayed. Advanced mode buttons are also available in Financial, Scientific and Programming modes.  </para>
                         </listitem>
                  </varlistentry>
                  <varlistentry> <term>ポップアップメニュー</term>
                         <listitem>
                <para><application>電卓</application> ボタンの <inlinemediaobject><imageobject><imagedata fileref="figures/gcalctool_menu_symbol.png" format="PNG"/></imageobject><textobject><phrase>ポップアップメニューシンボルを表示</phrase></textobject></inlinemediaobject> シンボルは、そのボタンをクリックするとポップアップメニューが表示されることを表しています。</para>
                         </listitem>
                  </varlistentry>
<varlistentry>
         <term>Status Bar</term>
                         <listitem>
                                <para>The status bar displays messages on the status of your calculations.  </para>
                         </listitem>
                  </varlistentry>
                </variablelist>
  </sect1>
<!-- ================ Usage ================================ -->
  <sect1 id="gcalctool-usage"> 
    <title>使用方法</title> 

    <!-- ================ Usage Subsection ================================ -->
    <sect2 id="gcalctool-calc-functions">
                <title>電卓機能を使用する</title> 
                <para>計算は、以下のどちらかの方法で行います。</para>
                <itemizedlist>
                  <listitem>
                         <para><application>電卓</application> ボタンをクリックして、数字と関数を入力します。</para>
                  </listitem>
                  <listitem>
                         <para><application>電卓</application> ウィンドウにフォーカスを移動し、キーボードまたは数値入力キーで、実行する計算を指定します。キーボードのショートカットの全リストについては、<xref linkend="gcalctool-keyboard-shortcut"/>を参照してください。</para>
                  </listitem>
                </itemizedlist>
                <para><application>電卓</application> アプリケーションは、40 桁以上の数字や小数を自動的に指数として表示します。以下の表の例では、小数点以下 2 桁の 10 進数を使用している場合に表示される値が示されています。</para>
      <informaltable frame="all">
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="COLSPEC0" colwidth="50*"/>
          <colspec colname="COLSPEC1" colwidth="50*"/>
          <thead>
            <row valign="top">
              <entry colname="COLSPEC0">
                <para>表示される情報</para></entry>
              <entry colname="COLSPEC1">
                <para>意味</para></entry>
            </row>
          </thead>
          <tbody>
            <row valign="top">
              <entry><para>1.23e+37</para></entry>
              <entry><para>1.23 * 10<superscript>37</superscript></para></entry>
            </row>
            <row valign="top">
              <entry><para>1e-5</para></entry>
              <entry><para>0.00001</para></entry>
            </row>
          </tbody>
        </tgroup>
      </informaltable>

      <para>数字を指数形式で入力する方法については、<xref linkend="gcalctool-enter-exp"/>を参照してください。</para>

    <sect3 id="gcalctool-calc-functions-separator">
                <title>To Display a Separator in Large Numbers</title> 
      <para>To insert a separator between every three digits to the left of the numeric point in decimal base, choose <menuchoice><guimenu>View</guimenu><guimenuitem>Show Thousands Separator</guimenuitem></menuchoice>. 
</para>
      <note>
      <para>Different countries and cultures have varying conventions for how to communicate. These conventions include the language spoken and the character used as a numeric separator.</para>
      <para><application>gcalctool</application> has been internationalized so users can adapt to their own conventions. This is done by setting a specific locale. We can't determine what locales will exist, except for a standard one called the C locale.</para>
      <para>When you use the C locale, the separator character is not displayed.</para>
      </note>
    </sect3>

    <sect3 id="gcalctool-calc-functions-copy">
                <title>To Copy and Paste in the Display Area</title> 
                <para>計算結果をコピーするには、<menuchoice><guimenu>「編集」</guimenu><guimenuitem>「コピー」</guimenuitem></menuchoice>の順に選択します。 値は、他のアプリケーションに張り付けることができます。</para>

                <para>事前にコピーした値を表示領域に張り付けるには、<menuchoice><guimenu>「編集」</guimenu><guimenuitem>「貼り付け」</guimenuitem></menuchoice>の順に選択します。</para>
    </sect3>

    </sect2> 
    <!-- ================ Usage Subsection ================================ -->
   
    <sect2 id="gcalctool-basic-mode"> 
      <title>基本計算を実行する</title> 
      <para>Basic mode is displayed by default when you first start <application>gcalctool</application>. To explicitly invoke Basic mode, choose <menuchoice><guimenu>View</guimenu><guimenuitem>Basic</guimenuitem></menuchoice>.  </para>
      <para>The calculator memory registers are unavailable in Basic Mode. In other words, <menuchoice><guimenu>View</guimenu><guimenuitem>Memory Registers</guimenuitem></menuchoice> is inactive.</para>
    <sect3 id="gcalctool-simple-calc"> 
      <title>簡単な計算を実行する</title> 
      <para>簡単な 計算を実行するには、<xref linkend="gcalctool-TBL-simple-calc"/> に説明のあるボタンを使います。</para>
                <table id="gcalctool-TBL-simple-calc" frame="all">
                  <title>簡単な計算の実行</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>数値キー</para> </entry>
                             <entry><para><guibutton>0</guibutton>から<guibutton>9</guibutton></para></entry>
                             <entry><para>10 進法と 16 進法では、すべての数値キーを使用できます。8 進法では、<guibutton>「8」</guibutton>と<guibutton>「9」</guibutton> は使用できません。2 進法では、<guibutton>「0」</guibutton>と<guibutton>「1」</guibutton>だけを使用できます。デフォルトは、10 進法です。</para></entry>
                             <entry><para><guibutton>1</guibutton></para></entry>
                             <entry><para>1</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>小数点</para> </entry>
                             <entry><para><guibutton>.</guibutton></para></entry>
                             <entry><para>数字の小数部分の入力を開始します。</para></entry>
                             <entry><para><guibutton>1</guibutton> <guibutton>.</guibutton> <guibutton>2</guibutton></para></entry>
                             <entry><para>1.2</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>結果の計算</para> </entry>
                             <entry><para><guibutton>=</guibutton></para></entry>
                             <entry><para>現在の計算結果が現在の進法で表示されます。</para></entry>
                             <entry><para>1 <guibutton>+</guibutton> <guibutton>2</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>3</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>足し算</para> </entry>
                             <entry><para><guibutton>+</guibutton></para></entry>
                             <entry><para>表示領域内の値を次に入力する数字に加えます。</para></entry>
                             <entry><para>1 <guibutton>+</guibutton> <guibutton>2</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>3</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>引き算</para> </entry>
                             <entry><para><guibutton>-</guibutton></para></entry>
                             <entry><para>表示領域内の値から次に入力する数字を引きます。</para></entry>
                             <entry><para>3 <guibutton>-</guibutton> <guibutton>2</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>1</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>掛け算</para> </entry>
                             <entry><para><guibutton>*</guibutton></para></entry>
                             <entry><para>表示領域内の値に次に入力する数字をかけます。</para></entry>
                             <entry><para>3 <guibutton>*</guibutton> <guibutton>2</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>6</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>割り算</para> </entry>
                             <entry><para><guibutton>/</guibutton></para></entry>
                             <entry><para>表示領域内の値を次に入力する数字で割ります。</para></entry>
                             <entry><para>6 <guibutton>/</guibutton> <guibutton>3</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>2</para></entry>
                           </row>
                        <row valign="top">
                             <entry><para>演算符号の変更</para> </entry>
                             <entry><para><guibutton>+/-</guibutton></para></entry>
                             <entry><para>正の数を負の数に、または負の数を正の数に変更します。</para></entry>
                             <entry><para>8 <guibutton>+/-</guibutton></para></entry>
                             <entry><para>-8</para></entry>
                           </row>
                         </tbody>

                  </tgroup>
                </table>
    </sect3>
    <sect3 id="gcalctool-erase-char"> 
      <title>文字を消去する</title> 
      <para>文字を消去するには、<xref linkend="gcalctool-TBL-erase-char"/> に説明のあるボタンを使います。</para>
                <table id="gcalctool-TBL-erase-char" frame="all">
                  <title>文字の消去</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>バックスペース</para> </entry>
                             <entry><para><guibutton>Bksp</guibutton></para></entry>
                             <entry><para>右端の文字を表示領域から削除します。</para></entry>
                             <entry><para>1 <guibutton>+</guibutton> <guibutton>2</guibutton><guibutton>2</guibutton> <guibutton>Bksp</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>3</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>エントリの消去</para> </entry>
                             <entry><para><guibutton>CE</guibutton></para></entry>
                             <entry><para>現在の値を表示領域から削除します。</para>
                                    <para>This operation is the same as <guibutton>Clr</guibutton></para></entry>
                             <entry><para>1 <guibutton>+</guibutton> <guibutton>2</guibutton><guibutton>2</guibutton> <guibutton>CE</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>0</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>平文</para> </entry>
                             <entry><para><guibutton>Clr</guibutton></para></entry>
                             <entry><para>Resets the current value in the display area to zero and removes any previous calculation results. <guibutton>Clr</guibutton> also deselects the <guilabel>Hyp</guilabel> and <guilabel>Inv</guilabel> options in Scientific.</para></entry>
                             <entry><para>1 <guibutton>+</guibutton> <guibutton>2</guibutton><guibutton>2</guibutton> <guibutton>Clr</guibutton></para></entry>
                             <entry><para>0</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
    </sect3>
    
    



  

          <sect3 id="gcalctool-ins-ascii"> 
            <title>ASCII 値を表示する</title> 
                        <para>文字の ASCII 値を表示するには、<menuchoice><guimenu>「編集」</guimenu><guimenuitem>「Insert ASCII Value」</guimenuitem></menuchoice>の順に選択します。</para>
                        <para>「Insert ASCII Value」ダイアログが表示されます。</para>
                        <para>Enter the required character in the <guilabel>Character</guilabel> field, then click <guibutton>Insert</guibutton>. The ASCII value of that character, in the current numeric base, appears in the display area. For example, the ASCII value of B in decimal base is 66.</para>
          </sect3>
        </sect2>

 <sect2 id="gcalctool-advanced-mode">
    <title>To Perform Advanced Calculations  </title>
  <para>To change to Advanced mode, choose 
        <menuchoice> 
          <guimenu>View</guimenu> 
          <guimenuitem>Advanced</guimenuitem> 
        </menuchoice>. 
      </para>
    <para>When you change to Advanced mode, the following buttons are displayed to the right of the Basic mode buttons:</para>
    <!-- ==== Figure ==== -->
      <figure id="gcalctool-FIG-advanced"> 
        <title><application>gcalctool</application> Advanced Mode Buttons</title> 
        <screenshot> 
          <mediaobject> 
            <imageobject><imagedata fileref="figures/gcalctool_advanced_window.png" format="PNG"/> 
            </imageobject>
            <textobject> 
              <phrase>Shows <application>gcalctool</application> Advanced mode buttons.  </phrase> 
            </textobject> 
          </mediaobject> 
        </screenshot> 
      </figure>
    <!-- ==== End of Figure ==== -->
                <table id="gcalctool-TBL-adv-calc" frame="all">
                  <title>Performing Advanced Calculations</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>%</para> </entry>
                             <entry><para><guibutton>%</guibutton></para></entry>
                             <entry><para>Divides the current value by 100.</para></entry>
                             <entry><para>560 <guibutton>%</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>5.60</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>逆数</para> </entry>
                             <entry><para><guibutton>1/<replaceable>x</replaceable></guibutton></para></entry>
                             <entry><para>1を表示領域内の値で割ります。</para></entry>
                             <entry><para>4 <guibutton>1/<replaceable>x</replaceable></guibutton></para></entry>
                             <entry><para>0.25</para></entry>
                           </row>
                    
                           <row valign="top">
                             <entry><para>平方根</para> </entry>
                             <entry><para><guibutton>Sqrt</guibutton></para></entry>
                             <entry><para>表示領域内の値の平方根を計算します。</para></entry>
                             <entry><para><guibutton>Sqrt</guibutton> 9 <guibutton>)</guibutton><guibutton>=</guibutton></para></entry>
                             <entry><para>3</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>平方</para> </entry>
                             <entry><para><replaceable>x</replaceable><superscript>2</superscript></para></entry>
                             <entry><para>表示領域内の値の平方を計算します。</para></entry>
                             <entry><para>3 <replaceable>x</replaceable><superscript>2</superscript></para></entry>
                             <entry><para>9</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>整数部分</para> </entry>
                             <entry><para><guibutton>Int</guibutton></para></entry>
                             <entry><para>表示領域内の値の整数部分を計算します。</para></entry>
                             <entry><para>-23.45 <guibutton>Int</guibutton></para></entry>
                             <entry><para>-23</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>小数部分</para> </entry>
                             <entry><para><guibutton>Frac</guibutton></para></entry>
                             <entry><para>表示領域内の値の小数部分を計算します。</para></entry>
                             <entry><para>-23.45 <guibutton>Frac</guibutton></para></entry>
                             <entry><para>-0.45</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>絶対値</para> </entry>
                             <entry><para><guibutton>Abs</guibutton></para></entry>
                             <entry><para>表示領域内の値の絶対値を計算します。</para></entry>
                             <entry><para>-23.45 <guibutton>Abs</guibutton></para></entry>
                             <entry><para>23.45</para></entry>
                         </row>
                           <row valign="top">
                         <entry><para>括弧</para> </entry>
                             <entry><para><guibutton>(</guibutton> および <guibutton>)</guibutton></para></entry>
                             <entry><para>Calculations within parentheses are performed first. You can nest parentheses to any level.</para></entry>
                           <entry>
                               <para>2 <guibutton>+</guibutton> <guibutton>3</guibutton> <guibutton>*</guibutton> <guibutton>4</guibutton> <guibutton>=</guibutton></para>
                               <para>2 <guibutton>+</guibutton> <guibutton>(</guibutton> <guibutton>3</guibutton> <guibutton>*</guibutton> <guibutton>4</guibutton> <guibutton>)</guibutton></para>
                             </entry>
                             <entry> <para>20</para>
                               <para>14</para>
                             </entry>
                               
                           </row>
                         </tbody>
                  </tgroup>
                </table>

<sect3 id="gcalctool-mem-reg"> 
      <title>電卓メモリレジスタを使用する</title> 
      <para>10 個の <application>電卓</application> メモリレジスタ <guilabel>R0</guilabel> から <guilabel>R9</guilabel> のどこにでも値を保存できます。 メモリレジスタを表示するには、<menuchoice><guimenu>「表示」</guimenu><guimenuitem>「Memory Registers」</guimenuitem></menuchoice>の順に選択します。</para>
      <para>The memory registers can be dismissed by either choosing 
            <menuchoice><guimenu>View</guimenu><guimenuitem>Memory Registers</guimenuitem></menuchoice> 
            again, or by clicking on the <guibutton>Close</guibutton> button in the memory register window.</para>
        <para><xref linkend="gcalctool-TBL-mem-reg"/> では、使用可能なメモリ機能が説明されています。</para>
                <table id="gcalctool-TBL-mem-reg" frame="all">
                  <title>メモリ機能</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>メモリレジスタに値を保存</para> </entry>
                             <entry><para><guibutton>Sto</guibutton></para></entry>
                             <entry><para>Stores the current contents of the display area in the specified memory register. Click <guibutton>Sto</guibutton>, then select a memory register from the popup menu.</para>
                                   <para><application>電卓</application> のセッション中にメモリレジスタをクリアするには</para>
                                     <orderedlist>
                                       <listitem><para><guibutton>「Clr」</guibutton>をクリックします。</para></listitem>
                                       <listitem><para>Click <guibutton>Sto</guibutton>.</para></listitem>
                                       <listitem><para>ポップアップメニューからメモリレジスタを選択します。</para></listitem>
                                     </orderedlist>
</entry>
                             <entry><para>22 <guibutton>Sto</guibutton> <guilabel>R2</guilabel></para></entry>
                             <entry><para>The value 22 is stored in memory register <guilabel>R2</guilabel>.</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>メモリレジスタの値を取り出し</para> </entry>
                             <entry><para><guibutton>Rcl</guibutton></para></entry>
                             <entry><para>Retrieves the contents of the specified memory register. Click <guibutton>Rcl</guibutton>, then select the memory register from the popup menu.</para></entry>
                             <entry><para>0 <guibutton>Rcl</guibutton> <guilabel>R2</guilabel></para></entry>
                             <entry><para>The value in the display area is 22.</para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para>メモリレジスタの値と表示値を交換</para> </entry>
                             <entry><para><guibutton>Exch</guibutton></para></entry>
                             <entry><para>Exchanges the contents of the specified memory register and the current value in the display area. Click <guibutton>Exch</guibutton>, then select the memory register from the popup menu.</para></entry>
                             <entry><para>44 <guibutton>Exch</guibutton> <guilabel>R2</guilabel></para></entry>
                             <entry><para>The value in the display area changes from 44 to 22, the value in R2 changes from 22 to 44.</para> </entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
      <para>キーボードのショートカットを使用する場合は、以下の例のようにキーボードで メモリレジスタを指定します。</para>
      <informaltable frame="all">
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="COLSPEC0" colwidth="50*"/>
          <colspec colname="COLSPEC1" colwidth="50*"/>
          <thead>
            <row valign="top">
              <entry colname="COLSPEC0">
                <para>キーボードの入力</para></entry>
              <entry colname="COLSPEC1">
                <para>説明</para></entry>
            </row>
          </thead>
          <tbody> 
            <row valign="top">
              <entry><para><keycap>S</keycap> <keycap>2</keycap></para></entry>
              <entry><para>メモリレジスタ <guilabel>R2</guilabel> に表示領域の内容を保存します。</para></entry>
            </row>
            <row valign="top">
              <entry><para><keycap>R</keycap> <keycap>2</keycap></para></entry>
              <entry><para>メモリレジスタ <guilabel>R2</guilabel> の内容を表示領域に取り出します。</para></entry>
            </row>
            <row valign="top">
              <entry><para><keycap>X</keycap> <keycap>2</keycap></para></entry>
              <entry><para>表示領域内の値とメモリレジスタ <guilabel>R2</guilabel> の内容を交換します。</para></entry>
            </row>
          </tbody> 
        </tgroup>
      </informaltable>
    </sect3>


    </sect2> 
    <!-- ================ Usage Subsection ================================ -->
         <sect2 id="gcalctool-financial-mode"> 
      <title>財務上の計算の実行</title> 
      <para>To change to Financial mode, choose 
        <menuchoice> 
          <guimenu>View</guimenu> 
          <guimenuitem>Financial</guimenuitem> 
        </menuchoice>. 
      </para>
     <para>When you change to Financial mode, the following buttons are displayed above the Basic and Advanced mode buttons:</para>

    <!-- ==== Figure ==== -->
      <figure id="gcalctool-FIG-financial"> 
        <title><application>電卓</application> の財務モードボタン</title> 
        <screenshot> 
          <mediaobject> 
            <imageobject><imagedata fileref="figures/gcalctool_financial_window.png" format="PNG"/> 
            </imageobject>
            <textobject> 
              <phrase>Shows <application>gcalctool</application> Financial mode buttons.  </phrase> 
            </textobject> 
          </mediaobject> 
        </screenshot> 
      </figure>
    <!-- ==== End of Figure ==== -->
      <para>財務上の計算を実行するには、<xref linkend="gcalctool-TBL-financial-calc"/> に説明のあるボタンを使います。</para>
                <table id="gcalctool-TBL-financial-calc" frame="all">
                  <title>財務上の計算の実行</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>複利計算期</para> </entry>
                             <entry><para><guibutton>Ctrm</guibutton></para></entry>
                             <entry><para>Calculates the number of compounding periods necessary to increase an investment from a present value to a future value, at a fixed interest rate per compounding period.</para>
                             </entry>
                             <entry><para>You have just deposited $8000 in an account that pays an annual interest rate of 9%, compounded monthly. Given the annual interest rate, you determine that the simple monthly interest rate is 0.09 / 12 = 0.0075. To calculate the time period necessary to double your investment, click <guibutton>Ctrm</guibutton>, and put the following values into the text entries:</para>
                             <variablelist>
                                <varlistentry>
                                <term>定期利率</term>
                                <listitem><para>0.0075</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>将来値</term>
                                <listitem><para>16000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>現在値</term>
                                <listitem><para>8000</para></listitem>
                                </varlistentry>
                             </variablelist> 
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>92.77</para>
                                    <para>投資は、92.77 か月後に倍になります。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>2 倍定率法による減価償却</para> </entry>
                             <entry><para><guibutton>Ddb</guibutton></para></entry>
                             <entry><para>2 倍定率法を使用した場合の指定期間内の資産の減価償却費を計算します。</para>
                             </entry>
                             <entry><para>You have just purchased an office machine for $8000. The useful life of this machine is six years. The salvage value after six years is $900.
To calculate the depreciation expense for the fourth year, using the double-declining balance method, click <guibutton>Ddb</guibutton> and put the following values into the text entries:</para>
                             <variablelist>
                                <varlistentry>
                                <term>Cost</term>
                                <listitem><para>8000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Salvage</term>
                                <listitem><para>900</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Life</term>
                                <listitem><para>6</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Period</term>
                                <listitem><para>4</para></listitem>
                                </varlistentry>
                             </variablelist> 
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>790.12</para>
                                    <para>4 年目の減価償却費は、 $790.12 です。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>将来値</para> </entry>
                             <entry><para><guibutton>Fv</guibutton></para></entry>
                             <entry><para>Calculates the future value of an investment based on a series of equal payments at a specific periodic interest rate, over the number of payment periods in the term.
</para>
                             </entry>
                             <entry><para>You plan to deposit $4000 in a bank account on the last day of each year for the next 20 years. The account pays 8% interest, compounded annually. Interest is paid on the last day of each year. 
To calculate the value of your account in 20 years, press <guibutton>Fv</guibutton> and put the following values into the text entries:</para>
                             <variablelist>
                                <varlistentry>
                                <term>定期払い込み</term>
                                <listitem><para>4000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>定期利率</term>
                                <listitem><para>0.08</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Number Of Periods</term>
                                <listitem><para>20</para></listitem>
                                </varlistentry>
                             </variablelist> 
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>183047.86</para>
                                    <para>20 年後の口座の価値は、$183,047.86 になります。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Gross Profit Margin</para></entry>
                             <entry><para><guibutton>Gpm</guibutton></para></entry>
                             <entry><para>Calculates the resale price of a product, based on the product cost and the wanted gross profit margin.</para></entry>
                             <entry><para>You sell T-Shirts online. Each T-Shirt cost you $12 in material and labor. You want to sell the T-Shirts with a Gross Profit Margin of 0.40 - for every five dollars you earn, you want two to be profit. To calculate the price you would have to sell your T-Shirts for, press <guibutton>Gpm</guibutton> and put the following values into the text entries:</para>
                             <variablelist>
                                <varlistentry>
                                <term>Cost</term>
                                <listitem><para>12</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Margin</term>
                                <listitem><para>0.40</para></listitem>
                                </varlistentry>
                             </variablelist>
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>20</para>
                             <para>You will have to sell your T-Shirts for $20</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>定期払い込み</para> </entry>
                             <entry><para><guibutton>Pmt</guibutton></para></entry>
                             <entry><para>各返済期間の末日に支払が行われるローンの定期払い込み額を計算します。</para>
                             </entry>
                             <entry><para>You are considering a $120,000 mortgage for 30 years at an annual interest rate of 11.0%. Given the annual interest rate, you determine that the simple monthly interest rate is 0.11 / 12 = 0.00917. The term is 30 * 12 = 360 months. To calculate the monthly repayment for this mortgage, press <guibutton>Pmt</guibutton> and put the following values into the text entries:</para>
                             <variablelist>
                                <varlistentry>
                                <term>Principal</term>
                                <listitem><para>120000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>定期利率</term>
                                <listitem><para>0.00917</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Term</term>
                                <listitem><para>360</para></listitem>
                                </varlistentry>
                             </variablelist> 
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>1143.15</para>
                                    <para>毎月の返済金は、$1143.15 です。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>現在値</para> </entry>
                             <entry><para><guibutton>Pv</guibutton></para></entry>
                             <entry><para>Calculates the present value of an investment based on a series of equal payments, discounted at a periodic interest rate, over the number of payment periods in the term.
</para>
                             </entry>
                             <entry><para>100 万ドルが当たったとします。賞金は、毎年 $50,000、20 年払いで支払われます。その年の支払額は、毎年末に受け取ります。毎年 $50,000 を受け取る場合は、そのお金を毎年足されていく利率 9% の投資に使います。</para>
                                    <para>However, you are given the option of receiving a single lump-sum payment of $400,000 instead of the million dollars annuity. 
To calculate which option is worth more in today's dollars, press <guibutton>Pv</guibutton> and put the following values into the text entries:</para>
                             <variablelist>
                                <varlistentry>
                                <term>定期払い込み</term>
                                <listitem><para>50000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>定期利率</term>
                                <listitem><para>0.09</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Number Of Periods</term>
                                <listitem><para>20</para></listitem>
                                </varlistentry>
                             </variablelist> 
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>456427.28</para>
                                    <para>20 年間で支払われる $1,000,000 の今の価値は、$456,427.28 です。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>定期利率</para> </entry>
                             <entry><para><guibutton>Rate</guibutton></para></entry>
                             <entry><para>Calculates the periodic interest necessary to increase an investment of a present value to a future value, over a number of compounding periods.
</para>
                             </entry>
                             <entry><para>You have invested $20,000 in a bond. The bond matures in five years, and has a maturity value of $30,000. Interest is compounded monthly. The term is 5 * 12 = 60 months.
To calculate the periodic interest rate for this investment, press <guibutton>Rate</guibutton> and put the following values into the text entries:</para>
                             <variablelist>
                                <varlistentry>
                                <term>将来値</term>
                                <listitem><para>30000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>現在値</term>
                                <listitem><para>20000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Term</term>
                                <listitem><para>60</para></listitem>
                                </varlistentry>
                             </variablelist> 
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>.00678</para>
                                    <para>月利は、0.678% です。 年利は、0.678% * 12 = 8.14% です。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>定額償却</para> </entry>
                             <entry><para><guibutton>Sln</guibutton></para></entry>
                             <entry><para>ある期間の資産の定額償却を計算します。定額償却費は、<replaceable>cost</replaceable> - <replaceable>salvage</replaceable> です。 定額償却方式では、減価償却資産原価を資産の耐用年数間で均等に割ります。耐用年数は、資産が減価償却が行われる期間で、年数の場合が一般的です。</para>
                             </entry>
                             <entry><para>You have just purchased an office machine for $8000. The useful life of this machine is six years. The salvage value after six years is $900.
To calculate the yearly depreciation expense, using the straight-line method, prss <guibutton>Sln</guibutton>, and put the following values into the first three memory registers:</para>
                             <variablelist>
                                <varlistentry>
                                <term>Cost</term>
                                <listitem><para>8000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Salvage</term>
                                <listitem><para>900</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Life</term>
                                <listitem><para>6</para></listitem>
                                </varlistentry>
                             </variablelist> 
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>1183.33</para>
                                    <para>毎年の償却費は、$1183.33 です。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>算術級数法による減価償却</para> </entry>
                             <entry><para><guibutton>Syd</guibutton></para></entry>
                             <entry><para>算術級数法を使用した場合の指定期間内の資産の減価償却費を計算します。この減価償却法では、初期により多くの償却を行うことで、償却を速めることができます。 定額償却費は、<replaceable>cost</replaceable> - <replaceable>salvage</replaceable> です。 耐用年数は、資産が減価償却が行われる期間で、年数の場合が一般的です。</para>
                             </entry>
                             <entry><para>You have just purchased an office machine for $8000. The useful life of this machine is six years. The salvage value after six years is $900.
To calculate the depreciation expense for the fourth year, using the sum-of-the-years'-digits method, press <guibutton>Syd</guibutton>, and put the following values into the text entries:</para>
                             <variablelist>
                                <varlistentry>
                                <term>Cost</term>
                                <listitem><para>8000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Salvage</term>
                                <listitem><para>900</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Life</term>
                                <listitem><para>6</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>Period</term>
                                <listitem><para>4</para></listitem>
                                </varlistentry>
                             </variablelist> 
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>1014.29</para>
                                    <para>4 年目の減価償却費は、 $1014.29 です。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>支払期間</para> </entry>
                             <entry><para><guibutton>Term</guibutton></para></entry>
                             <entry><para>Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value, at a certain periodic interest rate.</para>
                             </entry>
                             <entry><para>You plan to deposit $1800 in a bank account on the last day of each year. The account pays 11% interest, compounded annually. Interest is paid on the last day of each year. 
To calculate the time period necessary to accumulate $120,000, press <guibutton>Term</guibutton>, and put the following values into the text entries:</para>
                             <variablelist>
                                <varlistentry>
                                <term>定期払い込み</term>
                                <listitem><para>1800</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>将来値</term>
                                <listitem><para>120000</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                <term>定期利率</term>
                                <listitem><para>0.11</para></listitem>
                                </varlistentry>
                             </variablelist> 
                             <para>Click <guibutton>Calculate</guibutton></para></entry>
                             <entry><para>20.32</para>
                                    <para>口座に $120,000 貯まるのは、20.32 年後です。</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
    </sect2> 
    <!-- ================ Usage Subsection ================================ -->
    <sect2 id="gcalctool-scientific-mode"> 
      <title>科学技術計算を実行する</title> 
      <para>To change to Scientific mode, choose 
        <menuchoice> 
          <guimenu>View</guimenu> 
          <guimenuitem>Scientific</guimenuitem> 
        </menuchoice>. 
      </para>
    <para>When you change to Scientific mode, the following buttons are displayed above the Basic and Advanced mode buttons:</para>

    <!-- ==== Figure ==== -->
      <figure id="gcalctool-FIG-scientific"> 
        <title><application>電卓</application> の科学モードボタン</title> 
        <screenshot> 
          <mediaobject> 
            <imageobject><imagedata fileref="figures/gcalctool_scientific_window.png" format="PNG"/> 
            </imageobject>
            <textobject> 
              <phrase>Shows <application>gcalctool</application> Scientific mode buttons.  </phrase> 
            </textobject> 
          </mediaobject> 
        </screenshot> 
      </figure>
    <!-- ==== End of Figure ==== -->
    <sect3 id="gcalctool-set-acc"> 
      <title>精度を設定する</title> 
      <para>To set the accuracy of the display area and of the memory registers, click <guibutton>Acc</guibutton>, then select from the popup menu the accuracy level that you require. The current accuracy level is indicated by a preceding black circle in the popup menu. Up to 99 significant places can be displayed. The default accuracy is 9 significant places. </para>
<para>To set the accuracy level above 9, select <guilabel>Other (9) ...</guilabel>, then choose the accuracy level you require in the <guilabel>Set Precision</guilabel> popup.</para>
      <para>By default, trailing zeroes are not shown. To display trailing zeroes, click <guibutton>Acc</guibutton> then select <guilabel>Show Trailing Zeroes</guilabel> from the popup menu, or choose <menuchoice> <guimenu>View</guimenu> <guimenuitem>Show Trailing Zeroes</guimenuitem> </menuchoice>. A preceding check mark in the <guibutton>Acc</guibutton> popup menu or <guimenu>View</guimenu> menu indicates that the <guilabel>Show Trailing Zeroes</guilabel> option has been selected. To hide trailing zeroes, choose <menuchoice> <guimenu>View</guimenu> <guimenuitem>Show Trailing Zeroes</guimenuitem> </menuchoice> again.</para>
      <para>以下の表の例は、10 進法を使用し、<guimenuitem>「Show Trailing Zeroes」</guimenuitem>オプションを選択している場合に、<literal>1 / 8 = <replaceable>x</replaceable></literal> の計算で、精度設定がどのように表示領域の <replaceable>x</replaceable> に影響するかを例示しています。</para>
                <informaltable frame="all">
                  <tgroup cols="2" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>精度</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>小数点以下 1 桁</para></entry>
                             <entry><para>1.2</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>小数点以下 2 桁</para></entry>
                             <entry><para>1.25</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>小数点以下 3 桁</para></entry>
                             <entry><para>1.250</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </informaltable>
    </sect3>
    <sect3 id="gcalctool-display-type"> 
      <title>表示タイプを設定する</title> 
      <para>表示タイプを設定するには、<xref linkend="gcalctool-TBL-display-type"/> に説明のあるボタンの 1 つを選択します。</para>
                <table id="gcalctool-TBL-display-type" frame="all">
                  <title>表示タイプの設定</title> 
                  <tgroup cols="3" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>エンジニアリング用表示タイプ</para> </entry>
                             <entry><para><guibutton>Eng</guibutton></para></entry>
                             <entry><para>Sets the display type to engineering format. Results are displayed in scientific notation. The exponent is always a multiple of three.</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>固定小数点表示タイプ</para> </entry>
                             <entry><para><guibutton>Fix</guibutton></para></entry>
                             <entry><para>Sets the display type to fixed-point format. Results are not displayed in scientific notation. Fixed-point is the default display type.  If you change from scientific mode to either basic mode or financial mode, <application>gcalctool</application> automatically sets the display type to fixed-point format.</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>科学的表示タイプ</para> </entry>
                             <entry><para><guibutton>Sci</guibutton></para></entry>
                             <entry><para>Sets the display type to scientific format. Results are displayed in scientific notation, with a fixed number of numeric digits.</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
    </sect3>
    <sect3 id="gcalctool-trig-type"> 
      <title>三角関数のタイプを設定する</title> 
      <para>三角関数のタイプを選択するには、<xref linkend="gcalctool-TBL-trig-type"/> に説明のあるボタンの 1 つを選択します。</para>
                <table id="gcalctool-TBL-trig-type" frame="all">
                  <title>三角関数のタイプの設定</title> 
                  <tgroup cols="3" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>度数</para> </entry>
                             <entry><para><guibutton>度数</guibutton></para></entry>
                             <entry><para>Sets the trigonometric type to degrees. Degrees is the default trigonometric type.</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Gradians</para> </entry>
                             <entry><para><guibutton>Gradians</guibutton></para></entry>
                             <entry><para>Sets the trigonometric type to gradians.</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>ラジアン</para> </entry>
                             <entry><para><guibutton>ラジアン</guibutton></para></entry>
                             <entry><para>Sets the trigonometric type to radians.</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
    </sect3>
    <sect3 id="gcalctool-trig-options"> 
      <title>三角関数オプションを設定する</title> 
      <para>三角関数オプションを設定するには、<xref linkend="gcalctool-TBL-trig-options"/> に説明のあるオプションを使います。</para>
                <table id="gcalctool-TBL-trig-options" frame="all">
                  <title>三角関数オプションの設定</title> 
                  <tgroup cols="3" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>双曲線オプションインジケータ</para> </entry>
                             <entry><para><guibutton>Hyp</guibutton></para></entry>
                             <entry><para>三角関数機能と一緒に双曲線オプションを使用します。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>反転オプションインジケータ</para> </entry>
                             <entry><para><guibutton>Inv</guibutton></para></entry>
                             <entry><para>三角関数機能と一緒に反転オプションを使用します。</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
      <para>デフォルトでは、<xref linkend="gcalctool-TBL-trig-options"/> に説明のあるオプションは選択されていません。これらのオプションの選択を解除するには、<guibutton>「Clr」</guibutton>をクリックします。</para>

    </sect3>
    <sect3 id="gcalctool-trig-calc"> 
      <title>三角関数を計算する</title> 
      <para>三角関数の値を計算するには、<xref linkend="gcalctool-TBL-trig-calc"/> に説明のあるボタンを使います。</para>
                <table id="gcalctool-TBL-trig-calc" frame="all">
                  <title>三角関数の計算</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>余弦曲線<literal>cos</literal></para> </entry>
                             <entry><para><guibutton>「Cos」</guibutton>、<guilabel>「Hyp」</guilabel>、<guilabel>「Inv」</guilabel>オプションは選択されていません。</para></entry>
                             <entry><para>表示領域内の値の余弦曲線を計算します。</para></entry>
                             <entry><para>60 <guibutton>Cos</guibutton></para></entry>
                             <entry><para>0.5</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>余弦曲線弧<literal>acos</literal></para> </entry>
                             <entry><para><guibutton>「Cos」</guibutton>、<guilabel>「Hyp」</guilabel>オプションは選択されておらず、<guilabel>「Inv」</guilabel>オプションは選択されています。</para></entry>
                             <entry><para>表示領域内の値の余弦曲線弧を計算します。</para></entry>
                             <entry><para>0.5 <guilabel>Inv</guilabel> <guibutton>Cos</guibutton></para></entry>
                             <entry><para>60</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>双曲線余弦曲線<literal>cosh</literal></para> </entry>
                             <entry><para><guibutton>「Cos」</guibutton>、<guilabel>「Hyp」</guilabel>オプションは選択されておらず、<guilabel>「Inv」</guilabel>オプションは選択されています。</para></entry>
                             <entry><para>表示領域内の値の双曲線余弦曲線を計算します。</para></entry>
                             <entry><para>0.4 <guilabel>Hyp</guilabel> <guibutton>Cos</guibutton></para></entry>
                             <entry><para>1.081072372</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>双曲線余弦曲線弧<literal>acosh</literal></para> </entry>
                             <entry><para><guibutton>「Cos」</guibutton>、<guilabel>「Hyp」</guilabel>オプションと<guilabel>「Inv」</guilabel>オプションは選択されています。</para></entry>
                             <entry><para>表示領域内の値の双曲線余弦曲線弧を計算します。</para></entry>
                             <entry><para>1.6 <guilabel>Hyp</guilabel> <guilabel>Inv</guilabel> <guibutton>Cos</guibutton></para></entry>
                             <entry><para>1.046967915</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>正弦曲線<literal>sin</literal></para> </entry>
                             <entry><para><guibutton>「Sin」</guibutton>、<guilabel>「Hyp」</guilabel>、<guilabel>「Inv」</guilabel>オプションは選択されていません。</para></entry>
                             <entry><para>表示領域内の値の正弦曲線を計算します。</para></entry>
                             <entry><para>90 <guibutton>Sin</guibutton></para></entry>
                             <entry><para>1</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>正弦曲線弧<literal>asin</literal></para> </entry>
                             <entry><para><guibutton>「Sin」</guibutton>、<guilabel>「Hyp」</guilabel>オプションは選択されておらず、<guilabel>「Inv」</guilabel>オプションは選択されています。</para></entry>
                             <entry><para>表示領域内の値の正弦曲線弧を計算します。</para></entry>
                             <entry><para>1 <guilabel>Inv</guilabel> <guibutton>Sin</guibutton></para></entry>
                             <entry><para>90</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>双曲線正弦曲線<literal>sinh</literal></para> </entry>
                             <entry><para><guibutton>「Sin」</guibutton>、<guilabel>「Hyp」</guilabel>オプションは選択されておらず、<guilabel>「Inv」</guilabel>オプションは選択されています。</para></entry>
                             <entry><para>表示領域内の値の双曲線正弦曲線を計算します。</para></entry>
                             <entry><para>0.4 <guilabel>Hyp</guilabel> <guibutton>Sin</guibutton></para></entry>
                             <entry><para>0.410752326</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>双曲線正弦曲線弧<literal>asinh</literal></para> </entry>
                             <entry><para><guibutton>「Sin」</guibutton>、<guilabel>「Hyp」</guilabel>オプションと<guilabel>「Inv」</guilabel>オプションは選択されています。</para></entry>
                             <entry><para>表示領域内の値の双曲線正弦曲線弧を計算します。</para></entry>
                             <entry><para>1.6 <guilabel>Hyp</guilabel> <guilabel>Inv</guilabel> <guibutton>Sin</guibutton></para></entry>
                             <entry><para>1.248983328</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>正接曲線<literal>tan</literal></para> </entry>
                             <entry><para><guibutton>「Tan」</guibutton>、<guilabel>「Hyp」</guilabel>、<guilabel>「Inv」</guilabel>オプションは選択されていません。</para></entry>
                             <entry><para>表示領域内の値の正接曲線を計算します。</para></entry>
                             <entry><para>45 <guibutton>Tan</guibutton></para></entry>
                             <entry><para>1</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>正接曲線弧<literal>atan</literal></para> </entry>
                             <entry><para><guibutton>「Tan」</guibutton>、<guilabel>「Hyp」</guilabel>オプションは選択されておらず、<guilabel>「Inv」</guilabel>オプションは選択されています。</para></entry>
                             <entry><para>表示領域内の値の正接曲線弧を計算します。</para></entry>
                             <entry><para>1 <guilabel>Inv</guilabel> <guibutton>Tan</guibutton></para></entry>
                             <entry><para>45</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>双曲線正接曲線<literal>tanh</literal></para> </entry>
                             <entry><para><guibutton>「Tan」</guibutton>、<guilabel>「Hyp」</guilabel>オプションは選択されておらず、<guilabel>「Inv」</guilabel>オプションは選択されています。</para></entry>
                             <entry><para>表示領域内の値の双曲線正接曲線を計算します。</para></entry>
                             <entry><para>0.6 <guilabel>Hyp</guilabel> <guibutton>Tan</guibutton></para></entry>
                             <entry><para>0.537049567</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>双曲線正接曲線弧<literal>atanh</literal></para> </entry>
                             <entry><para><guibutton>「Tan」</guibutton>、<guilabel>「Hyp」</guilabel>オプションと<guilabel>「Inv」</guilabel>オプションは選択されています。</para></entry>
                             <entry><para>表示領域内の値の双曲線正接曲線弧を計算します。</para></entry>
                             <entry><para>0.6 <guilabel>Hyp</guilabel> <guilabel>Inv</guilabel> <guibutton>Tan</guibutton></para></entry>
                             <entry><para>0.693147181</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
    </sect3>
    <sect3 id="gcalctool-logs-calc"> 
      <title>対数を計算する</title> 
      <para>対数を計算するには、<xref linkend="gcalctool-TBL-logs-calc"/> に説明のあるボタンを使います。</para>
                <table id="gcalctool-TBL-logs-calc" frame="all">
                  <title>対数の計算</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>常用対数の底 10</para> </entry>
                             <entry><para>Log<subscript><replaceable>10</replaceable></subscript></para></entry>
                             <entry><para>Calculates the common logarithm (base 10) of the current value in the display area.</para></entry>
                             <entry><para>10 Log<subscript><replaceable>10</replaceable></subscript></para></entry>
                             <entry><para>1</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>自然対数</para> </entry>
                             <entry><para><guibutton>Ln</guibutton></para></entry>
                             <entry><para>表示領域内の値の自然対数を計算します。</para></entry>
                             <entry><para>10 <guibutton>Ln</guibutton></para></entry>
                             <entry><para>2.30</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Common Logarithm Base 2</para> </entry>
                             <entry><para>Log<subscript><replaceable>2</replaceable></subscript></para></entry>
                             <entry><para>Calculates the common logarithm (base 2) of the current value in the display area.</para></entry>
                             <entry><para>10 Log<subscript><replaceable>2</replaceable></subscript></para></entry>
                             <entry><para>3.32</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
                <note>
                  <para>一般真数と自然真数は <application>電卓</application> のこのバージョンではサポートしていません。</para>
                </note>
    </sect3>
    <sect3 id="gcalctool-enter-exp"> 
      <title>指数を入力する</title> 
      <para>指数を入力するには、<guibutton>「Exp」</guibutton>ボタンを使用します。</para>
      <para>The <guibutton>Exp</guibutton> button enables you to enter numbers in scientific notation, that is, <replaceable>mantissa</replaceable> * <replaceable>base</replaceable><superscript><replaceable>exponent</replaceable></superscript>:
</para>
<variablelist>
  <varlistentry>
    <term><replaceable>mantissa</replaceable></term>
    <listitem><para>Current non-zero value in the display area. If the current value in the display area is zero, the mantissa is 1.0. </para></listitem>
  </varlistentry>
  <varlistentry>
    <term><replaceable>base</replaceable></term>
    <listitem><para>2, 8, 10, or 16 for binary, octal, decimal, and hexadecimal numeric base respectively.  </para></listitem>
  </varlistentry>
  <varlistentry>
    <term><replaceable>exponent</replaceable></term>
    <listitem><para>Next number that you enter.
</para></listitem>
  </varlistentry>
</variablelist>

<para>When you click <guibutton>Exp</guibutton>, the calculator displays <literal>. +</literal> to represent 
<replaceable>base</replaceable> to the power of the next number that you enter. </para>
<para>To change the sign of the number, use the <guibutton>+/-</guibutton> button before the <guibutton>Exp</guibutton> button.
To change the sign of the exponent (the power to which the number is raised) use <guibutton>-</guibutton> after the
<guibutton>Exp</guibutton> button.</para>

<para>To enter a decimal number in exponential format, use the guidelines in the following table: </para>
          <informaltable frame="all">
            <tgroup cols="3" colsep="1" rowsep="1">
                   <colspec colname="COLSPEC0" colwidth="50*"/>
                   <colspec colname="COLSPEC1" colwidth="50*"/>
                   <thead>
                          <row valign="top">
                            <entry colname="COLSPEC0">
                                   <para>番号</para></entry>
                            <entry colname="COLSPEC1">
                                   <para>入力</para></entry>
                            <entry colname="COLSPEC2">
                                   <para>表示される数値</para></entry>
                          </row>
                   </thead> 
                   <tbody> 
                     <row valign="top">
                       <entry><para>1200000000</para></entry>
                       <entry><para>12 <guibutton>Exp</guibutton> <guibutton>+</guibutton> <guibutton>8</guibutton> <guibutton>=</guibutton></para></entry>
                       <entry><para>1200000000</para></entry>
                     </row>
                     <row valign="top">
                       <entry><para>-1200000000</para></entry>
                       <entry><para><guibutton>-</guibutton> 12 <guibutton>Exp</guibutton> <guibutton>+</guibutton> <guibutton>8</guibutton> <guibutton>=</guibutton> </para></entry>
                       <entry><para>-1200000000</para></entry>
                     </row>
                     <row valign="top">
                       <entry><para>0.00000012</para></entry>
                       <entry><para>12 <guibutton>Exp</guibutton> <guibutton>-</guibutton> <guibutton>8</guibutton> <guibutton>=</guibutton> </para></entry>
                       <entry><para>1.2e-7</para></entry>
                     </row>
                     <row valign="top">
                       <entry><para>-0.00000012</para></entry>
                       <entry><para><guibutton>-</guibutton> 12 <guibutton>Exp</guibutton> <guibutton>-</guibutton> <guibutton>8</guibutton> <guibutton>=</guibutton> </para></entry>
                       <entry><para>-1.2e-7</para></entry>
                     </row>
                   </tbody>
            </tgroup>
          </informaltable>

    </sect3>
    <sect3 id="gcalctool-edit-const"> 
      <title>定数値を使用する</title> 
      <para>Click <guibutton>Con</guibutton> to display the list of defined constant values. All constant values are specified in decimal numeric base, even if the current numeric base is not decimal.</para>
      <para>メニューから定数を選択し、表示領域に値を入力します。 キーボードのショートカット <keycap>#</keycap> を使用する場合は、以下の例のようにキーボードで定数を指定します。</para>
      <informaltable frame="all">
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="COLSPEC0" colwidth="50*"/>
          <colspec colname="COLSPEC1" colwidth="50*"/>
          <thead>
            <row valign="top">
              <entry colname="COLSPEC0">
                <para>キーボードの入力</para></entry>
              <entry colname="COLSPEC1">
                <para>「定数」</para></entry>
            </row>
          </thead>
          <tbody>
            <row valign="top">
              <entry><para><keycap>#</keycap> <keycap>3</keycap> </para></entry>
              <entry><para>C3</para></entry>
            </row>
          </tbody>
        </tgroup>
      </informaltable>
      <para><application>電卓</application> アプリケーションには、以下の表に示されている 10 個のデフォルト定数値があります。</para>
                <informaltable frame="all">
                  <tgroup cols="3" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1" colwidth="50*"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>番号</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>値</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>C0</para></entry>
                             <entry><para>0.621</para></entry>
                             <entry><para>Kilometer-to-mile conversion factor</para>
                                    <para>表示領域内の値にこの定数をかけると、キロメータ毎時がマイル毎時に変換されます。たとえば、8 * <guibutton>Con</guibutton><guilabel>C0</guilabel><keycap>=</keycap> 5 のようになります。</para>
                                    <para>表示領域内の値をこの定数で割ると、マイル毎時がキロメータ毎時に変換されます。たとえば、5 / <guibutton>Con</guibutton><guilabel>C0</guilabel><keycap>=</keycap> 8 のようになります。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>C1</para></entry>
                             <entry><para>1.414213562</para></entry>
                             <entry><para>Square root of 2</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>C2</para></entry>
                             <entry><para>2.718281828</para></entry>
                             <entry><para>e</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>C3</para></entry>
                             <entry><para>3.141592653</para></entry>
                             <entry><para>パイ</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>C4</para></entry>
                             <entry><para>0.3937007</para></entry>
                             <entry><para>Centimeter-to-inch conversion factor</para>
                                    <para>表示領域内の値にこの定数をかけると、センチメータがインチに変換されます。たとえば、30 * <guibutton>Con</guibutton><guilabel>C4</guilabel><keycap>=</keycap> 12 のようになります。</para>
                                    <para>表示領域内の値をこの定数で割ると、インチがセンチメータに変換されます。たとえば、12 / <guibutton>Con</guibutton><guilabel>C4</guilabel><keycap>=</keycap> 30 のようになります。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>C5</para></entry>
                             <entry><para>57.295779513</para></entry>
                             <entry><para>Degrees in a radian</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>パイ</para></entry>
                             <entry><para>1048576</para></entry>
                             <entry><para>2 ^ 20</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>C7</para></entry>
                             <entry><para>0.0353</para></entry>
                             <entry><para>Gram-to-ounce conversion factor</para>
                                    <para>表示領域内の値にこの定数をかけると、グラムがオンスに変換されます。たとえば、500 * <guibutton>Con</guibutton><guilabel>C7</guilabel><keycap>=</keycap> 18 のようになります。</para>
                                    <para>表示領域内の値をこの定数で割ると、オンスがグラムに変換されます。たとえば、18 / <guibutton>Con</guibutton><guilabel>C7</guilabel><keycap>=</keycap> 500 のようになります。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>C8</para></entry>
                             <entry><para>0.948</para></entry>
                             <entry><para>Kilojoule-to-British-thermal-unit conversion factor</para>
                                    <para>表示領域内の値にこの定数をかけると、キロジュールが英国熱単位に変換されます。たとえば、10 * <guibutton>Con</guibutton><guilabel>C8</guilabel><keycap>=</keycap> 9.48。</para>
                                    <para>表示領域内の値をこの定数で割ると、英国熱単位がキロジュールに変換されます。たとえば、9.48 / <guibutton>Con</guibutton><guilabel>C8</guilabel><keycap>=</keycap> 10 のようになります。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>C9</para></entry>
                             <entry><para>0.061</para></entry>
                             <entry><para>Cubic-centimeter-to-cubic-inch conversion factor</para>
                                    <para>表示領域内の値にこの定数をかけると、立方センチメータが立方インチに変換されます。たとえば、100 * <guibutton>Con</guibutton><guilabel>C9</guilabel><keycap>=</keycap> 6.10 のようになります。</para>
                                    <para>表示領域内の値をこの定数で割ると、立方インチが立方センチメータに変換されます。たとえば、6.10 / <guibutton>Con</guibutton><guilabel>C9</guilabel><keycap>=</keycap> 100 のようになります。</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </informaltable>
      <para>You can overwrite the default constants to store your own constants.</para>
      <para>新しい定数の保存または既存の定数の編集を行うには、以下の手順を実行します。</para>
      <orderedlist>
        <listitem>
           <para>Click <guibutton>Con</guibutton>, then select <guilabel>Edit Constants</guilabel> from the popup menu. </para>
        </listitem>
        <listitem>
      <para>In the <guilabel>Edit Constants</guilabel> dialog, select the constant that you want to overwrite or edit.</para>
        </listitem>
        <listitem>
      <para>Click on the Value field, then enter the new value.</para>
        </listitem>
        <listitem>
      <para>Click on the Description field, then enter the new description.</para>
        </listitem>
        <listitem>
      <para>Click <guibutton>OK</guibutton> to save your changes and close the <guilabel>Edit Constants</guilabel> dialog.</para>
        </listitem>
      </orderedlist>
    </sect3>
    <sect3 id="gcalctool-edit-func"> 
      <title>関数を使用する</title> 
      <para>To show the available functions, click <guibutton>Fun</guibutton>. A popup menu displays the list of defined functions. Select a function from the menu to run that function.</para>
<para>キーボードのショートカット <keycap>F</keycap> を使用する場合は、以下の例のようにキーボードで関数を指定します。</para>
      <informaltable frame="all">
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="COLSPEC0" colwidth="50*"/>
          <colspec colname="COLSPEC1" colwidth="50*"/>
          <thead>
            <row valign="top">
              <entry colname="COLSPEC0">
                <para>キーボードの入力</para></entry>
              <entry colname="COLSPEC1">
                <para>機能</para></entry>
            </row>
          </thead>
          <tbody>
            <row valign="top">
              <entry><para><keycap>F</keycap> <keycap>3</keycap> </para></entry>
              <entry><para>F3</para></entry>
            </row>
          </tbody>
        </tgroup>
      </informaltable>

      <para><application>電卓</application> アプリケーションには、デフォルトの関数はありません。関数は 10 個まで保存できます。</para>
      <para>新しい関数の保存または既存の関数の編集を行うには、以下の手順を実行します。</para>
      <orderedlist>
        <listitem>
           <para>Click <guibutton>Fun</guibutton>, then select <guilabel>Edit Functions</guilabel> from the popup menu.</para>
        </listitem>
        <listitem>
      <para>In the <guilabel>Edit Functions</guilabel> dialog, select a blank entry, or the function that you want to overwrite.</para>
        </listitem>
        <listitem>
      <para>Click on the Value field, then enter the new equation to solve. You can use "ans" for the result of the previous equation and "R5" for register 5 etc. For example, enter <literal>(-R1+sqrt(R1^2-4*R0*R2))/(2*R0)</literal> to calculate a root of the quadratic equation R0*x^2 + R1*x + R2 = 0.</para>
        </listitem>
        <listitem>
      <para>Click on the Description field, then enter the new description. For example, <literal>Quadratic Solver</literal>.</para>
        </listitem>
        <listitem>
      <para>Click <guibutton>OK</guibutton> to save your changes and close the <guilabel>Edit Functions</guilabel> dialog.</para>
        </listitem>
      </orderedlist>
    </sect3>
    <sect3 id="gcalctool-misc-calc"> 
      <title>その他の科学技術計算を実行する</title> 
      <para>To perform miscellaneous scientific calculations, use the buttons described in <xref linkend="gcalctool-TBL-misc-calc"/>. </para>
                <table id="gcalctool-TBL-misc-calc" frame="all">
                  <title>その他の科学技術計算の実行</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                                                      <row valign="top">
                             <entry><para>e to the <replaceable>x</replaceable> power</para> </entry>
                             <entry><para>e<superscript><replaceable>x</replaceable></superscript></para></entry>
                             <entry><para>表示領域内の値分、<literal>e</literal> を累乗します。</para></entry>
                             <entry><para>2 e<superscript><replaceable>x</replaceable></superscript></para></entry>
                             <entry><para>7.39</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>10 to the <replaceable>x</replaceable> power</para> </entry>
                             <entry><para>10<superscript><replaceable>x</replaceable></superscript></para></entry>
                             <entry><para>表示領域内の値分、10 を累乗します。</para></entry>
                             <entry><para>2 10<superscript><replaceable>x</replaceable></superscript></para></entry>
                             <entry><para>100</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>2 to the <replaceable>x</replaceable> power</para> </entry>
                             <entry><para>2<superscript><replaceable>x</replaceable></superscript></para></entry>
                             <entry><para>Calculates the value of 2 raised to the power of the current value in the display area.</para></entry>
                             <entry><para>2 2<superscript><replaceable>x</replaceable></superscript></para></entry>
                             <entry><para>4</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>x to the <replaceable>y</replaceable> power</para> </entry>
                             <entry><para><replaceable>x</replaceable><superscript><replaceable>y</replaceable></superscript></para></entry>
                             <entry><para>次に入力した値分、表示領域内の値を累乗します。</para></entry>
                             <entry><para>2 <replaceable>x</replaceable><superscript><replaceable>y</replaceable></superscript> <guibutton>4</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>16</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>x to the reciprocal <replaceable>y</replaceable> power</para> </entry>
                             <entry><para><replaceable>x</replaceable><superscript>1/<replaceable>y</replaceable></superscript></para></entry>
                             <entry><para>Raises the current value in the display area to the reciprocal power of the next value that you enter.</para></entry>
                             <entry><para>2 <replaceable>x</replaceable><superscript>1/<replaceable>y</replaceable></superscript> <guibutton>4</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>16</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para><replaceable>x</replaceable> の階乗</para> </entry>
                             <entry><para><guibutton><replaceable>x</replaceable>!</guibutton></para></entry>
                             <entry><para>表示領域内の値の階乗を計算します。<replaceable>x</replaceable> の階乗は、<replaceable>x</replaceable>*(<replaceable>x</replaceable>-1)*(<replaceable>x</replaceable>-2)...*1 となります。この関数は、正の整数にのみ使用できます。</para></entry>
                             <entry><para>4 <guibutton><replaceable>x</replaceable>!</guibutton></para></entry>
                             <entry><para>24</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Modulus Division</para> </entry>
                             <entry><para><guibutton>Mod</guibutton></para></entry>
                             <entry><para>Divides the current integer value in the display area by the next integer number that you enter, displaying the remainder.</para></entry>
                             <entry><para>15 <guibutton>Mod</guibutton> <guibutton>4</guibutton> <guibutton>=</guibutton></para></entry>
                             <entry><para>3</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>乱数発生関数</para> </entry>
                             <entry><para><guibutton>Rand</guibutton></para></entry>
                             <entry><para>Generates a random number in the range 0.0 to 1.0 then displays the random number in the display area.</para></entry>
                             <entry><para><guibutton>Rand</guibutton></para></entry>
                             <entry><para>0.14</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
    </sect3>
    </sect2> 
    <sect2 id="gcalctool-programming-mode">
      <title>To Perform Programming Calculations</title>
      <para>To change to Programming mode, choose 
        <menuchoice> 
          <guimenu>View</guimenu> 
          <guimenuitem>Programming</guimenuitem> 
        </menuchoice>. 
      </para>
    <para>When you change to Programming mode, the following widget is displayed above the Base and Advanced mode buttons:</para>

    <!-- ==== Figure ==== -->
      <figure id="gcalctool-FIG-programming"> 
        <title><application>gcalctool</application> Programming Mode Buttons</title> 
        <screenshot> 
          <mediaobject> 
            <imageobject><imagedata fileref="figures/gcalctool_programming_window.png" format="PNG"/> 
            </imageobject>
            <textobject> 
              <phrase>Shows <application>gcalctool</application> Programming mode buttons.  </phrase> 
            </textobject> 
          </mediaobject> 
        </screenshot> 
      </figure>
    <!-- ==== End of Figure ==== -->
    <sect3 id="gcalctool-num-base"> 
      <title>基数を設定する</title> 
      <para>基数を選択するには、<xref linkend="gcalctool-TBL-num-base"/> に説明のあるボタンの 1 つを選択します。</para>
                <table id="gcalctool-TBL-num-base" frame="all">
                  <title>基数の設定</title> 
                  <tgroup cols="3" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>基数 2</para> </entry>
                             <entry><para><guibutton>Bin</guibutton></para></entry>
                             <entry><para>基数が 2 の 2 進数に設定します。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>基数 8</para> </entry>
                             <entry><para><guibutton>Oct</guibutton></para></entry>
                             <entry><para>基数が 8 の 8 進数に設定します。</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>基数 10</para> </entry>
                             <entry><para><guibutton>Dec</guibutton></para></entry>
                             <entry><para>Sets the numeric base to decimal, that is, base 10. Decimal is the default numeric base. If you change from Programming mode to another mode, <application>gcalctool</application> automatically sets the numeric base to decimal.</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>16 進数</para> </entry>
                             <entry><para><guibutton>Hex</guibutton></para></entry>
                             <entry><para>基数が 16 の 16 進数に設定します。</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
    </sect3>
    <sect3 id="gcalctool-word-length">
      <title>To Set the Word Length</title>
      <para>The word length can be altered, to make the bitwise functions behave differently. To set the word length, select one of the buttons described in <xref linkend="gcalctool-TBL-word-length"/>. </para>
                <table id="gcalctool-TBL-word-length" frame="all">
                  <title>Setting the Word Length</title>
                  <tgroup cols="3" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>64 bit word</para> </entry>
                             <entry><para><guibutton>64 bit</guibutton></para></entry>
                             <entry><para>Sets the word length to 64 bits. 64 bits is the default word length.</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>32 bit word</para> </entry>
                             <entry><para><guibutton>32 bit</guibutton></para></entry>
                             <entry><para>Sets the word length to 32 bits.</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>16 bit word</para> </entry>
                             <entry><para><guibutton>16 bit</guibutton></para></entry>
                             <entry><para>Sets the word length to 16 bits.</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
    </sect3>
    <sect3 id="gcalctool-calc-bit-manipulation-ext">
      <title>To Perform Bit Manipulations on Integers</title>
      <para>If the calculator display shows an integer value, then each of the bits in that integer value is displayed as a collection of 0s and 1s in the Bit Editor. By clicking on any of these individual bits, their value can be toggled, causing the displayed integer value to be adjusted accordingly.</para>
    </sect3>
    <sect3 id="gcalctool-logic-calc"> 
      <title>To Perform Bitwise Calculations</title> 
      <para>To perform bitwise calculations, use the buttons described in <xref linkend="gcalctool-TBL-logic-calc"/>. </para>
                <table id="gcalctool-TBL-logic-calc" frame="all">
                  <title>Performing Bitwise Calculations</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>Bitwise OR</para> </entry>
                             <entry><para><guibutton>OR</guibutton></para></entry>
                             <entry><para>Performs a bitwise OR operation on the current value in the display area and the next number that you enter.</para></entry>
                             <entry><para>10001000 <guibutton>OR</guibutton> 00010001</para></entry>
                             <entry><para>10011001</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Bitwise AND</para> </entry>
                             <entry><para><guibutton>AND</guibutton></para></entry>
                             <entry><para>Performs a bitwise AND operation on the current value in the display area and the next number that you enter.</para></entry>
                             <entry><para>10101010 <guibutton>AND</guibutton> 00110011</para></entry>
                             <entry><para>100010</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Bitwise NOT</para> </entry>
                             <entry><para><guibutton>NOT</guibutton></para></entry>
                             <entry><para>Performs a bitwise NOT operation on the current value in the display area, using the word size configured in <xref linkend="gcalctool-word-length"/>.</para></entry>
                             <entry><para><guibutton>NOT</guibutton> 1357ACE</para></entry>
                             <entry><para>FECA8531</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Bitwise XOR</para> </entry>
                             <entry><para><guibutton>XOR</guibutton></para></entry>
                             <entry><para>Performs a bitwise XOR operation on the current value in the display area and the next number that you enter.</para></entry>
                             <entry><para>1100 <guibutton>XOR</guibutton> 1010</para></entry>
                             <entry><para>110</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Bitwise XNOR</para> </entry>
                             <entry><para><guibutton>XNOR</guibutton></para></entry>
                             <entry><para>Performs a bitwise XNOR operation on the current value in the display area and the next number that you enter.</para></entry>
                             <entry><para>1100 <guibutton>XNOR</guibutton> 1010</para></entry>
                             <entry><para>1001</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
    </sect3>
    <sect3 id="gcalctool-num-manip"> 
      <title>2 進数の数字を処理する</title> 
      <para>2 進法の数字を扱うには、<xref linkend="gcalctool-TBL-num-manip"/> に説明のあるボタンを使います。</para>
                <table id="gcalctool-TBL-num-manip" frame="all">
                  <title>2 進数の数字の処理</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para><replaceable>n</replaceable> 左にシフト</para> </entry>
                             <entry><para><guibutton>&lt;</guibutton></para></entry>
                             <entry><para>Shifts the current value in the display area, the specified number of places to the left. Click <guibutton>&lt;</guibutton>, then select the number of shift places from the popup menu. The number can be shifted up to 15 places left. </para></entry>
                             <entry><para>111 <guibutton>&lt;</guibutton><guilabel>1 桁</guilabel></para></entry>
                             <entry><para>1110</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para><replaceable>n</replaceable>右にシフト</para> </entry>
                             <entry><para><guibutton>&gt;</guibutton></para></entry>
                             <entry><para>Shifts the current value in the display area, the specified number of places to the right. Click <guibutton>&gt;</guibutton>, then select the number of shift places from the popup menu. The number can be shifted up to 15 places right.</para></entry>
                             <entry><para>1011 <guibutton>&gt;</guibutton><guilabel>1 桁</guilabel></para></entry>
                             <entry><para>101 </para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Truncating a number</para> </entry>
                             <entry><para><guibutton>Trunc</guibutton></para></entry>
                             <entry><para>Truncates the current value in the display area to the word size configured in <xref linkend="gcalctool-word-length"/>.</para></entry>
                             <entry><para>FFFFFFFFFF <guibutton>Trunc</guibutton></para></entry>
                             <entry><para>FFFFFFFF</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Get the 1's complement</para> </entry>
                             <entry><para><guibutton>1's</guibutton></para></entry>
                             <entry><para>Calculates the 1's complement for the current value in the display area, using the word size configured in <xref linkend="gcalctool-word-length"/>.</para></entry>
                             <entry><para>D723 <guibutton>1's</guibutton></para></entry>
                             <entry><para>FFFF28DC</para></entry>
                           </row>
                           <row valign="top">
                             <entry><para>Get the 2's complement</para> </entry>
                             <entry><para><guibutton>2's</guibutton></para></entry>
                             <entry><para>Calculates the 2's complement for the current value in the display area, using the word size configured in <xref linkend="gcalctool-word-length"/>.</para></entry>
                             <entry><para>D723 <guibutton>2's</guibutton></para></entry>
                             <entry><para>FFFF28DD</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
      <para>キーボードのショートカットを使用する場合は、以下の例のようにキーボードで シフトする桁数を指定します。</para>
      <informaltable frame="all">
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="COLSPEC0" colwidth="50*"/>
          <colspec colname="COLSPEC1" colwidth="50*"/>
          <thead>
            <row valign="top">
              <entry colname="COLSPEC0">
                <para>キーボードの入力</para></entry>
              <entry colname="COLSPEC1">
                <para>説明</para></entry>
            </row>
          </thead>
          <tbody>
            <row valign="top">
              <entry><para><keycap>&lt;</keycap> <keycap>4</keycap></para></entry>
              <entry><para>表示領域内の 2 進数値を左に 4 桁シフトします。</para></entry>
            </row>
            <row valign="top">
              <entry><para><keycap>&gt;</keycap> <keycap>4</keycap></para></entry>
              <entry><para>表示領域内の 2 進数値を右に 4 桁シフトします。</para></entry>
            </row>
          </tbody> 
        </tgroup>
      </informaltable>

    </sect3>
        <sect3 id="gcalctool-misc-prog">
      <title>To Perform Miscellaneous Programming Calculations</title> 
      <para>To perform miscellaneous programming calculations, use the buttons described in <xref linkend="gcalctool-TBL-misc-prog"/>. </para>
                <table id="gcalctool-TBL-misc-prog" frame="all">
                  <title>Performing Miscellaneous Programming Calculations</title> 
                  <tgroup cols="5" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <colspec colname="COLSPEC4" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>説明</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>例</para></entry>
                                  <entry colname="COLSPEC4">
                                         <para>結果</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para>16 進数キー</para> </entry>
                             <entry><para><guibutton>A</guibutton> to <guibutton>F</guibutton> inclusive</para></entry>
                             <entry><para>これらの数字は、16 進法でのみ使用できます。</para></entry>
                             <entry><para><guibutton>B</guibutton></para></entry>
                             <entry><para>B</para></entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
         </sect3>
    </sect2>
<!-- ============= Undo and Redo ======================== -->
  <sect2 id="gcalctool-undo-redo">
    <title>To Undo and Redo</title>
                <para>To undo your previous action, choose
                  <menuchoice>
                         <guimenu>Edit</guimenu>
                         <guimenuitem>Undo</guimenuitem>
                  </menuchoice>.  You can undo up to 15 past actions.</para>
                <para>If you want to redo an action you have just undone, choose
                  <menuchoice>
                         <guimenu>Edit</guimenu>
                         <guimenuitem>Redo</guimenuitem>
                  </menuchoice>. You can redo up to 15 undone actions.</para>
  </sect2>
<!-- ============= Quitting ============================= -->
  <sect2 id="gcalctool-quit"> 
    <title>終了する</title> 
                <para><application>電卓</application> を終了するには、<menuchoice><guimenu>「Calculator」</guimenu><guimenuitem>「Quit」</guimenuitem></menuchoice>の順に選択します。</para>
                <para><application>電卓</application> を終了すると、以下の設定の現在値が保存され、次に <application>電卓</application> を起動した際に自動的に適用されます。</para>
                  <itemizedlist>
                    <listitem><para>Mode: <link linkend="gcalctool-basic-mode">Basic</link>,  <link linkend="gcalctool-advanced-mode">Advanced</link>, <link linkend="gcalctool-financial-mode">Financial</link>, or <link linkend="gcalctool-scientific-mode">Scientific</link></para></listitem>
                    <listitem><para><link linkend="gcalctool-set-acc">精度</link></para></listitem>
                    <listitem><para><link linkend="gcalctool-mem-reg">Memory Registers window</link> displayed or not displayed, plus the contents of each memory register</para></listitem>
                    <listitem><para><link linkend="gcalctool-num-base">進数</link></para></listitem>
                    <listitem><para><link linkend="gcalctool-display-type">表示タイプ</link></para></listitem>
                    <listitem><para><link linkend="gcalctool-trig-type">三角関数のタイプ</link></para></listitem>
                    <listitem><para><link linkend="gcalctool-set-acc">「Show Trailing Zeroes」</link></para></listitem>
                    <listitem><para><link linkend="gcalctool-calc-functions-separator">Show Thousands Separator</link></para></listitem>
                  </itemizedlist>
  </sect2>
  </sect1>
<!-- ============= Technical Information ============================= -->
  <sect1 id="gcalctool-tech-info">
         <title>技術情報</title>

         <sect2 id="gcalctool-recognize-error">
                <title>エラー状態</title>
                <para>無効な計算を行うと、<application>電卓</application> が以下のようにエラー状態を示します。 <itemizedlist>
<listitem><para><literal>Error</literal> という文字を表示領域に表示します。</para></listitem>
<listitem><para>Displays an error message in the status bar.</para></listitem>
<listitem><para><guibutton>「Clr」</guibutton>以外のすべてのボタンを使用できなくなります。</para></listitem>
<listitem><para>また、すべての電卓オプションも使用できなくなります。</para></listitem>
<listitem><para>さらに、 <menuchoice><guimenu>「Calculator」</guimenu><guimenuitem>「Quit」</guimenuitem></menuchoice>、<menuchoice><guimenu>「Help」</guimenu><guimenuitem>「Contents」</guimenuitem></menuchoice>以外のすべての電卓メニュー項目も使用できなくなります。</para></listitem>
</itemizedlist></para>
<para>To clear the error condition, click <guibutton>Clr</guibutton> or press <keycombo><keycap>Shift</keycap><keycap>Delete</keycap></keycombo>.</para>
         </sect2>

         <sect2 id="gcalctool-change-modes">
                <title>Changing Modes</title>
                <para>If the user tries to change modes when a partial
calculation is being displayed, a warning dialog is displayed, telling
the user that the current calculation will be cleared, and the base will 
be reset to decimal.</para>
                <para>There is a checkbox present, that if checked, prevents the dialog from being shown again.</para>
                <para>If the user presses the <guibutton>Cancel</guibutton> button, the change mode operation is cancelled. If the user presses the <guibutton>Change Mode</guibutton> button, the mode is changed and has the following side-effects:
<itemizedlist>
<listitem><para>Clears the display.</para></listitem>
   <listitem><para>Sets the base to decimal.</para></listitem>
   <listitem><para>Sets the numeric display to fixed.</para></listitem>
   <listitem><para>Sets the accuracy to nine places after the numeric point.</para></listitem>
   <listitem><para>Clears the display of the thousands separator.</para></listitem>
   <listitem><para>Clears the display of trailing zeroes after the numeric point.</para></listitem>
   <listitem><para>Dismisses the register window if the new mode is Basic.</para></listitem>
</itemizedlist>
</para>
         </sect2>

         <sect2 id="gcalctool-changing-display-area">
                <title>Changing The Display Area</title>
                <para>It is possible to use the mouse to click on the display area and edit it.</para>
                <para>All the normal keyboard shortcuts will work, plus the addition of:
<itemizedlist>
    <listitem><para><keycombo><keycap>Ctrl</keycap><keycap>Delete</keycap></keycombo> which will delete the character to the right of the text cursor</para></listitem>
    <listitem><para><keycap>Home</keycap> which moves the text cursor to the beginning of the display area</para></listitem> 
    <listitem><para><keycap>End</keycap> which moves the text cursor to the end of the display area</para></listitem> 
</itemizedlist>
</para>
         </sect2>

  </sect1>
<!-- ============= Keyboard Shortcuts ============================= -->
  <sect1 id="gcalctool-keyboard-shortcut"> 
    <title>クイックリファレンス: キーボードのショートカット</title> 
                <para><xref linkend="gcalctool-TBL-keyboard-shortcut-button"/>、<xref linkend="gcalctool-TBL-keyboard-shortcut-sci-options"/> および<xref linkend="gcalctool-TBL-keyboard-shortcut-menu"/> は、<application>電卓</application> のキーボードショートカットすべてのクイックリファレンスを提供します。</para>
                <para>When you use the keyboard shortcut for any of the calculator
                      buttons that have a menu associated with them, that menu is displayed.
                      You can then use the arrow keys to select a menu item or the menu item's shortcut.</para>
                <table id="gcalctool-TBL-keyboard-shortcut-button" frame="all">
                  <title><application>電卓</application> ボタンのキーボードのショートカットのクイックリファレンス</title> 
                  <tgroup cols="4" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>キーボードのショートカット</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>ボタン</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>参照</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para><keycap>0</keycap> から <keycap>9</keycap></para></entry>
                             <entry><para><guibutton>0</guibutton>から<guibutton>9</guibutton></para></entry>
                             <entry><para>数値キー</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-simple-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>A</keycap> </para></entry>
                             <entry><para><guibutton>Acc</guibutton> </para></entry>
                             <entry><para>精度</para> </entry>
                             <entry><para><xref linkend="gcalctool-set-acc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>a</keycap> </para></entry>
                             <entry><para><guibutton>A</guibutton> </para></entry>
                             <entry><para>Hexadecimal numerals</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>b</keycap> </para></entry>
                             <entry><para><guibutton>B</guibutton> </para></entry>
                             <entry><para>Hexadecimal numerals</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>C</keycap></para></entry>
                             <entry><para><guibutton>+/-</guibutton></para></entry>
                             <entry><para>演算符号の変更</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-adv-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>c</keycap> </para></entry>
                             <entry><para><guibutton>C</guibutton> </para></entry>
                             <entry><para>Hexadecimal numerals</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>D</keycap></para></entry>
                             <entry><para><guibutton>Ddb</guibutton></para></entry>
                             <entry><para>Double-declining depreciation</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>d</keycap> </para></entry>
                             <entry><para><guibutton>D</guibutton> </para></entry>
                             <entry><para>Hexadecimal numerals</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>E</keycap> </para></entry>
                             <entry><para><guibutton>Exp</guibutton> </para></entry>
                             <entry><para>Exponential</para> </entry>
                             <entry><para><xref linkend="gcalctool-enter-exp"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>e</keycap> </para></entry>
                             <entry><para><guibutton>E</guibutton> </para></entry>
                             <entry><para>Hexadecimal numerals</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>F</keycap> </para></entry>
                             <entry><para><guibutton>Fun</guibutton> </para></entry>
                             <entry><para>機能</para> </entry>
                             <entry><para><xref linkend="gcalctool-edit-func"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>f</keycap> </para></entry>
                             <entry><para><guibutton>F</guibutton> </para></entry>
                             <entry><para>Hexadecimal numerals</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>G</keycap></para></entry>
                             <entry><para>10<superscript><replaceable>x</replaceable></superscript></para></entry>
                             <entry><para>10 to the <replaceable>x</replaceable> power</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>g</keycap></para></entry>
                             <entry><para><guibutton>Log</guibutton></para></entry>
                             <entry><para>Common base 10 logarithm</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-logs-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>H</keycap></para></entry>
                             <entry><para>2<superscript><replaceable>x</replaceable></superscript></para></entry>
                             <entry><para>2 to the <replaceable>x</replaceable> power</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>h</keycap></para></entry>
                             <entry><para>Log<subscript>2</subscript></para></entry>
                             <entry><para>Common base 2 logarithm</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-logs-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>I</keycap></para></entry>
                             <entry><para><guibutton>Gpm</guibutton></para></entry>
                             <entry><para>Gross Profit Margin</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>i</keycap></para></entry>
                             <entry><para><guibutton>Int</guibutton></para></entry>
                             <entry><para>Integer portion</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-adv-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>J</keycap></para></entry>
                             <entry><para>Cos<superscript>-1</superscript></para></entry>
                             <entry><para>Inverse Cosine</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>j</keycap></para></entry>
                             <entry><para><guibutton>Cos</guibutton></para></entry>
                             <entry><para>余弦</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>K</keycap></para></entry>
                             <entry><para>Sin<superscript>-1</superscript></para></entry>
                             <entry><para>Inverse Sine</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>k</keycap></para></entry>
                             <entry><para><guibutton>Sin</guibutton></para></entry>
                             <entry><para>正弦</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>l</keycap></para></entry>
                             <entry><para><guibutton>Sln</guibutton></para></entry>
                             <entry><para>Straight-line depreciation</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>M</keycap></para></entry>
                             <entry><para><guibutton>Mod</guibutton></para></entry>
                             <entry><para>Modulus Division</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>m</keycap></para></entry>
                             <entry><para><guibutton>Ctrm</guibutton></para></entry>
                             <entry><para>Compounding term</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>N</keycap></para></entry>
                             <entry><para>e<superscript><replaceable>x</replaceable></superscript></para></entry>
                             <entry><para>e to the <replaceable>x</replaceable> power</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>n</keycap></para></entry>
                             <entry><para><guibutton>Ln</guibutton></para></entry>
                             <entry><para>Natural logarithm</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-logs-calc"/></para> </entry>
                           </row>
                                                   <row valign="top">
                                                         <entry><para><keycap>O</keycap></para></entry>
                             <entry><para><replaceable>x</replaceable><superscript>1/<replaceable>y</replaceable></superscript></para></entry>
                             <entry><para>x to the reciprocal<replaceable>y</replaceable> power</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>o</keycap> or <keycap>^</keycap></para></entry>
                             <entry><para><replaceable>x</replaceable><superscript><replaceable>y</replaceable></superscript></para></entry>
                             <entry><para>x to the <replaceable>y</replaceable> power</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>P</keycap></para></entry>
                             <entry><para><guibutton>Pmt</guibutton></para></entry>
                             <entry><para>Periodic payment</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>p</keycap></para></entry>
                             <entry><para><guibutton>Pv</guibutton></para></entry>
                             <entry><para>Present value</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>R</keycap></para></entry>
                             <entry><para><guibutton>Rcl</guibutton></para></entry>
                             <entry><para>Retrieve value from memory register</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-mem-reg"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>r</keycap></para></entry>
                             <entry><para><guibutton>1/<replaceable>x</replaceable></guibutton></para></entry>
                             <entry><para>逆数</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-adv-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>S</keycap></para></entry>
                             <entry><para><guibutton>Sto</guibutton></para></entry>
                             <entry><para>Store value in memory register</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-mem-reg"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>s</keycap></para></entry>
                             <entry><para><guibutton>Sqrt</guibutton></para></entry>
                             <entry><para>Square root</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-adv-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>T</keycap></para></entry>
                             <entry><para><guibutton>Rate</guibutton></para></entry>
                             <entry><para>Periodic interest rate</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>t</keycap></para></entry>
                             <entry><para><guibutton>Term</guibutton></para></entry>
                             <entry><para>Payment period</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>u</keycap></para></entry>
                             <entry><para><guibutton>Abs</guibutton></para></entry>
                             <entry><para>Absolute value</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-adv-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>v</keycap></para></entry>
                             <entry><para><guibutton>Fv</guibutton></para></entry>
                             <entry><para>Future value</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>W</keycap></para></entry>
                             <entry><para>Tan<superscript>-1</superscript></para></entry>
                             <entry><para>Inverse Tan</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>w</keycap></para></entry>
                             <entry><para><guibutton>正接</guibutton></para></entry>
                             <entry><para>正接</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>X</keycap></para></entry>
                             <entry><para><guibutton>Exch</guibutton></para></entry>
                             <entry><para>Exchange memory register value and displayed value</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-mem-reg"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>x</keycap></para></entry>
                             <entry><para><guibutton>Xor</guibutton></para></entry>
                             <entry><para>Bitwise XOR</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-logic-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>Y</keycap></para></entry>
                             <entry><para><guibutton>Syd</guibutton></para></entry>
                             <entry><para>Sum-of-the-years'-digits depreciation</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-financial-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>Z</keycap></para></entry>
                             <entry><para><guibutton>2's</guibutton></para></entry>
                             <entry><para>2's complement</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-num-manip"/></para></entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>z</keycap></para></entry>
                             <entry><para><guibutton>1's</guibutton></para></entry>
                             <entry><para>1's complement</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-num-manip"/></para></entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>!</keycap></para></entry>
                             <entry><para><guibutton><replaceable>x</replaceable>!</guibutton></para></entry>
                             <entry><para><replaceable>x</replaceable> factorial</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>#</keycap> </para></entry>
                             <entry><para><guibutton>Con</guibutton> </para></entry>
                             <entry><para>Constant value</para> </entry>
                             <entry><para><xref linkend="gcalctool-edit-const"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>%</keycap></para></entry>
                             <entry><para><guibutton>%</guibutton></para></entry>
                             <entry><para>%</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-adv-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>&amp;</keycap></para></entry>
                             <entry><para><guibutton>And</guibutton></para></entry>
                             <entry><para>Bitwise AND</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-logic-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>(</keycap> および <keycap>)</keycap></para></entry>
                             <entry><para><guibutton>(</guibutton> および <guibutton>)</guibutton></para></entry>
                             <entry><para>括弧</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>*</keycap></para></entry>
                             <entry><para><guibutton>*</guibutton></para></entry>
                             <entry><para>掛け算</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-simple-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>+</keycap></para></entry>
                             <entry><para><guibutton>+</guibutton></para></entry>
                             <entry><para>足し算</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-simple-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>-</keycap></para></entry>
                             <entry><para><guibutton>-</guibutton></para></entry>
                             <entry><para>引き算</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-simple-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>.</keycap></para></entry>
                             <entry><para><guibutton>.</guibutton></para></entry>
                             <entry><para>小数点</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-simple-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>/</keycap></para></entry>
                             <entry><para><guibutton>/</guibutton></para></entry>
                             <entry><para>割り算</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-simple-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>:</keycap></para></entry>
                             <entry><para><guibutton>Frac</guibutton></para></entry>
                             <entry><para>Fractional portion</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-adv-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>&lt;</keycap></para></entry>
                             <entry><para><guibutton>&lt;</guibutton></para></entry>
                             <entry><para>Left shift <replaceable>n</replaceable></para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-num-manip"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>=</keycap> または <keycap>Return</keycap></para></entry>
                             <entry><para><guibutton>=</guibutton></para></entry>
                             <entry><para>結果の計算</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-simple-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>&gt;</keycap></para></entry>
                             <entry><para><guibutton>&gt;</guibutton></para></entry>
                             <entry><para>Right shift <replaceable>n</replaceable></para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-num-manip"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>?</keycap></para></entry>
                             <entry><para><guibutton>Rand</guibutton></para></entry>
                             <entry><para>Random number generator</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-misc-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>@</keycap></para></entry>
                             <entry><para><replaceable>x</replaceable><superscript>2</superscript></para></entry>
                             <entry><para>平方</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-adv-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>{</keycap></para></entry>
                             <entry><para><guibutton>Xnor</guibutton></para></entry>
                             <entry><para>Bitwise XNOR</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-logic-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>[</keycap></para></entry>
                             <entry><para><guibutton>Trunc</guibutton></para></entry>
                             <entry><para>Truncates the number</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-num-manip"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>|</keycap></para></entry>
                             <entry><para><guibutton>Or</guibutton></para></entry>
                             <entry><para>Bitwise OR</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-logic-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>N</keycap></para></entry>
                             <entry><para><guibutton>Not</guibutton></para></entry>
                             <entry><para>Bitwise NOT</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-logic-calc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>バックスペース</keycap></para></entry>
                             <entry><para><guibutton>Bksp</guibutton></para></entry>
                             <entry><para>バックスペース</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-erase-char"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycap>Esc</keycap> or </para>
                                    <para><keycombo><keycap>Ctrl</keycap><keycap>バックスペース</keycap></keycombo></para></entry>
                             <entry><para><guibutton>CE</guibutton></para></entry>
                             <entry><para>Clear entry</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-erase-char"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Shift</keycap><keycap>Delete</keycap></keycombo></para></entry>
                             <entry><para><guibutton>Clr</guibutton></para></entry>
                             <entry><para>平文</para> </entry>
                             <entry><para><xref linkend="gcalctool-TBL-erase-char"/></para> </entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
                <table id="gcalctool-TBL-keyboard-shortcut-sci-options" frame="all">
                  <title><application>電卓</application> 科学モードオプションに関するキーボードのショートカットのクイックリファレンス</title> 
                  <tgroup cols="4" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>キーボードのショートカット</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>オプション</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>参照</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>1</keycap></keycombo></para></entry>
                             <entry><para><guilabel>16 bit</guilabel></para></entry>
                             <entry><para>Set the word size to 16 bits.</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-word-length"/></para></entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>3</keycap></keycombo></para></entry>
                             <entry><para><guilabel>32 bit</guilabel></para></entry>
                             <entry><para>Set the word size to 32 bits.</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-word-length"/></para></entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>6</keycap></keycombo></para></entry>
                             <entry><para><guilabel>64 bit</guilabel></para></entry>
                             <entry><para>Set the word size to 64 bits.</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-word-length"/></para></entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>a</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Gradians</guilabel></para></entry>
                             <entry><para>Set the trigonometric type to gradians.</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-type"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>b</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Bin</guilabel></para></entry>
                             <entry><para>2 進数に設定</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-num-base"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>d</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Dec</guilabel></para></entry>
                             <entry><para>10 進数に設定</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-num-base"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>f</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Fix</guilabel></para></entry>
                             <entry><para>Set the display type to fixed-point format.</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-display-type"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>g</keycap></keycombo></para></entry>
                             <entry><para><guilabel>度数</guilabel></para></entry>
                             <entry><para>Set the trigonometric type to degrees.</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-type"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>i</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Inv</guilabel></para></entry>
                             <entry><para>三角関数機能と一緒に反転オプションを使用</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-options"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>n</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Eng</guilabel></para></entry>
                             <entry><para>Set the display type to engineering format.</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-display-type"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>o</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Oct</guilabel></para></entry>
                             <entry><para>8 進数に設定</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-num-base"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>r</keycap></keycombo></para></entry>
                             <entry><para><guilabel>ラジアン</guilabel></para></entry>
                             <entry><para>Set the trigonometric type to radians.</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-type"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>s</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Sci</guilabel></para></entry>
                             <entry><para>Set the display type to scientific format.</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-display-type"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>x</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Hex</guilabel></para></entry>
                             <entry><para>16 進数に設定</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-num-base"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Alt</keycap><keycap>y</keycap></keycombo></para></entry>
                             <entry><para><guilabel>Hyp</guilabel></para></entry>
                             <entry><para>三角関数機能と一緒に双曲線オプションを使用</para></entry>
                             <entry><para><xref linkend="gcalctool-TBL-trig-options"/></para> </entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
                <table id="gcalctool-TBL-keyboard-shortcut-menu" frame="all">
                  <title><application>電卓</application> メニュー項目のキーボードのショートカットのクイックリファレンス</title> 
                  <tgroup cols="4" colsep="1" rowsep="1">
                         <colspec colname="COLSPEC0" colwidth="50*"/>
                         <colspec colname="COLSPEC1"/>
                         <colspec colname="COLSPEC2" colwidth="50*"/>
                         <colspec colname="COLSPEC3" colwidth="50*"/>
                         <thead>
                                <row valign="top">
                                  <entry colname="COLSPEC0">
                                         <para>キーボードのショートカット</para></entry>
                                  <entry colname="COLSPEC1">
                                         <para>メニュー項目</para></entry>
                                  <entry colname="COLSPEC2">
                                         <para>機能</para></entry>
                                  <entry colname="COLSPEC3">
                                         <para>参照</para></entry>
                                </row>
                         </thead> 
                         <tbody> 
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>b</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「表示」</guimenu> <guimenuitem>「Basic」</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>Change to Basic mode</para> </entry>
                             <entry><para><xref linkend="gcalctool-basic-mode"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>c</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「編集」</guimenu> <guimenuitem>「コピー」</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>表示領域内の値をクリップボードへコピー</para> </entry>
                             <entry><para><xref linkend="gcalctool-calc-functions"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>f</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「表示」</guimenu> <guimenuitem>「Financial」</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>Change to Financial mode</para> </entry>
                             <entry><para><xref linkend="gcalctool-financial-mode"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>h</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「Help」</guimenu> <guimenuitem>「Contents」</guimenuitem> </menuchoice> </para></entry>
                             <entry><para><application>電卓</application> のオンラインヘルプを表示</para> </entry>
                             <entry><para><xref linkend="gcalctool-intro"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>i</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「編集」</guimenu> <guimenuitem>Insert ASCII Value</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>Display the <guilabel>Insert ASCII Value</guilabel> dialog</para> </entry>
                             <entry><para><xref linkend="gcalctool-ins-ascii"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>k</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「表示」</guimenu> <guimenuitem>Show Thousands Separator</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>Display the thousands separator
</para> </entry>
                             <entry><para><xref linkend="gcalctool-calc-functions-separator"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>m</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「表示」</guimenu> <guimenuitem>「Memory Registers」</guimenuitem> </menuchoice> </para></entry>
                             <entry><para><guilabel>「Memory Registers」</guilabel>ウィンドウを表示</para> </entry>
                             <entry><para><xref linkend="gcalctool-mem-reg"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>p</keycap></keycombo></para></entry>
                                                         <entry><para> <menuchoice> <guimenu>「表示」</guimenu> <guimenuitem>Programming</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>Change to Programming mode</para> </entry>
                             <entry><para><xref linkend="gcalctool-programming-mode"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>q</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>Calculator</guimenu> <guimenuitem>「Quit」</guimenuitem> </menuchoice> </para></entry>
                             <entry><para><application>電卓</application> アプリケーションを終了</para> </entry>
                             <entry><para><xref linkend="gcalctool-quit"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>s</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「表示」</guimenu> <guimenuitem>「Scientific」</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>Change to Scientific mode</para> </entry>
                             <entry><para><xref linkend="gcalctool-scientific-mode"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>t</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「表示」</guimenu> <guimenuitem>「Show Trailing Zeroes」</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>後続の 0 を表示</para> </entry>
                             <entry><para><xref linkend="gcalctool-set-acc"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>v</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「編集」</guimenu> <guimenuitem>「Paste」</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>クリップボードの現在の値を表示領域へ張り付け</para> </entry>
                             <entry><para><xref linkend="gcalctool-calc-functions"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Ctrl</keycap><keycap>z</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「編集」</guimenu> <guimenuitem>Undo</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>Undo previous action</para> </entry>
                             <entry><para><xref linkend="gcalctool-undo-redo"/></para> </entry>
                           </row>
                           <row valign="top">
                             <entry><para><keycombo><keycap>Shift</keycap><keycap>Ctrl</keycap><keycap>z</keycap></keycombo></para></entry>
                             <entry><para> <menuchoice> <guimenu>「編集」</guimenu> <guimenuitem>Redo</guimenuitem> </menuchoice> </para></entry>
                             <entry><para>Redo an undone action</para> </entry>
                             <entry><para><xref linkend="gcalctool-undo-redo"/></para> </entry>
                           </row>
                         </tbody>
                  </tgroup>
                </table>
  </sect1>
</article>
