<chapter id="commands">
<title>Command Reference</title>
<sect1 id="menus">
<title>Menu Items</title>
<para>A brief overview of some special menu items in &kcalc;:</para>
<variablelist>
<varlistentry>
<term><menuchoice>
<guimenu>Constants</guimenu>
<guimenuitem>Mathematics</guimenuitem>
</menuchoice></term>
<listitem><para><action>Display Pi, Euler Number or Golden Ratio.</action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Constants</guimenu>
<guimenuitem>Electromagnetism</guimenuitem>
</menuchoice></term>
<listitem><para><action>Display Light Speed, Elementary Charge,
Impedance of Vacuum, Permeability of Vacuum or Permittivity of Vacuum.</action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Constants</guimenu>
<guimenuitem>Atomic & Nuclear</guimenuitem>
</menuchoice></term>
<listitem><para><action>Display Planck's Constant, Elementary Charge or
Fine-Structure Constant.</action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Constants</guimenu>
<guimenuitem>Thermodynamics</guimenuitem>
</menuchoice></term>
<listitem><para><action>Display Boltzmann Constant, Atomic Mass Unit, Molar Gas
Constant, Stefan-Boltzmann Constant or Avogadro's Number.</action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Constants</guimenu>
<guimenuitem>Gravitation</guimenuitem>
</menuchoice></term>
<listitem><para>Display Constant of Gravitation or Earth Acceleration.
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Settings</guimenu>
<guimenuitem>Simple Mode</guimenuitem>
</menuchoice></term>
<listitem><para><action>Displays the simple math buttons.</action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Settings</guimenu>
<guimenuitem>Science Mode</guimenuitem>
</menuchoice></term>
<listitem><para><action>Displays trigonometric and science buttons.</action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Settings</guimenu>
<guimenuitem>Statistic Mode</guimenuitem>
</menuchoice></term>
<listitem><para><action>Displays <link linkend="statistical-mode">statistic
buttons.</link></action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Settings</guimenu>
<guimenuitem>Numeral System Mode</guimenuitem>
</menuchoice></term>
<listitem><para><action>Displays <link linkend="and-or-xor">logic
buttons</link> and allows changing the numeral system.</action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Settings</guimenu>
<guimenuitem>Show History</guimenuitem>
</menuchoice></term>
<listitem><para><action>Display the history.</action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Settings</guimenu>
<guimenuitem>Constants Buttons</guimenuitem>
</menuchoice></term>
<listitem><para><action>Display constants buttons. They are available in <link linkend="science-mode">science mode</link> and
<link linkend="statistical-mode">statistic mode</link>. </action>
</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice>
<guimenu>Settings</guimenu>
<guimenuitem>Show Bit Edit</guimenuitem>
</menuchoice></term>
<listitem><para><action>Displays a bit edit field. Click on a bit to toggle it. Only available in
<link linkend="numeral-system-mode">numeral system mode</link>.</action>
</para></listitem>
</varlistentry>
</variablelist>
<para>
Additionally &kcalc; has the common <guimenu>File</guimenu>, <guimenu>Edit</guimenu>,
<guimenu>Settings</guimenu> and <guimenu>Help</guimenu> menu items, for more information
read the sections about the <ulink url="help:/fundamentals/menus.html">Menus</ulink>
in the &kde; Fundamentals.
</para>
</sect1>
</chapter>
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