cdesktopenv/cde/doc/C/help/Calculator/Ref.sgm

<!-- $XConsortium: Ref.sgm /main/6 1996/09/08 22:51:30 rws $ -->
<!-- (c) Copyright 1995 Digital Equipment Corporation. -->
<!-- (c) Copyright 1995 Hewlett-Packard Company. -->
<!-- (c) Copyright 1995 International Business Machines Corp. -->
<!-- (c) Copyright 1995 Sun Microsystems, Inc. -->
<!-- (c) Copyright 1995 Novell, Inc. -->
<!-- (c) Copyright 1995 FUJITSU LIMITED. -->
<!-- (c) Copyright 1995 Hitachi. -->
<Chapter Id="Reference">
<Title>&calcname; Reference</Title>
<Para>Click any of the topics listed below for help with that particular topic.
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.1">
<Para><XRef Linkend="changemodes"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.2">
<Para><XRef Linkend="changebase"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.3">
<Para><XRef Linkend="changedispmode"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.4">
<Para><XRef Linkend="changetrigbase"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.5">
<Para><XRef Linkend="popup"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.6">
<Para><XRef Linkend="basics"></Para>
</ListItem>
</ItemizedList>
<Sect1 Id="changemodes">
<Title>Changing Modes</Title>
<Para>The default mode for &calcname; is Scientific. You can find the current
mode by checking the label on the first option menu button in the mode line
below the
display area.
</Para>
<Graphic Entityref="modeoptmenu" Id="HCALC.REF.fig.1"></Graphic>
<IndexTerm>
<Primary>change mode</Primary>
</IndexTerm>
<IndexTerm>
<Primary>mode, change</Primary>
</IndexTerm>
<Para><XRef Linkend="taskchngmodes"></Para>
</Sect1>
<Sect1 Id="changebase">
<Title>Changing the &calcname; Numeric Base</Title>
<IndexTerm>
<Primary>numeric base, to change</Primary>
</IndexTerm>
<IndexTerm>
<Primary>change numeric base</Primary>
</IndexTerm>
<Para>The default numeric base for &calcname; is Decimal. You can find the current
mode by checking the label on the second option menu button in the mode
line below the
display area.
</Para>
<Graphic Entityref="numbase" Id="HCALC.REF.fig.2"></Graphic>
<Para>There are four numeric bases:</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.7">
<Para>Decimal (the default)
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.8">
<Para>Binary
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.9">
<Para>Octal
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.10">
<Para>Hexadecimal
</Para>
</ListItem>
</ItemizedList>
<Para>See <Link Type="jump" Linkend="taskchangebase">To Change the Numeric Base</Link>.</Para>
</Sect1>
<Sect1 Id="changedispmode">
<Title>Changing the Display Mode</Title>
<IndexTerm>
<Primary>change display mode</Primary>
</IndexTerm>
<IndexTerm>
<Primary>display mode</Primary>
</IndexTerm>
<Para>The default display mode for &calcname; is fixed point. You can find the
current
mode by checking the label on the third option menu button in the mode
line below the
display area.
</Para>
<Graphic Entityref="dispmode" Id="HCALC.REF.fig.3"></Graphic>
<Para>There are three display modes:</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.11">
<Para>Fixed point (Fix)
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.12">
<Para>Engineering (Eng)
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.13">
<Para>Scientific (Sci)
</Para>
</ListItem>
</ItemizedList>
<Para>See <Link Type="jump" Linkend="taskchangedisp">To Change the Display Mode</Link>.</Para>
</Sect1>
<Sect1 Id="changetrigbase">
<Title>Changing the Trigonometric Base</Title>
<IndexTerm>
<Primary>trigonometric base</Primary>
</IndexTerm>
<Para>There are three trigonometric bases:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.14">
<Para>Degrees (Deg)
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.15">
<Para>Gradient (Grad)
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.16">
<Para>Radians (Rad)
</Para>
</ListItem>
</ItemizedList>
<Para>The default trigonometric base for &calcname; is degrees. You can find the
current
mode by checking the label on the fourth option menu button in the mode
line below the
display area.</Para>
<Graphic Entityref="trigbase" Id="HCALC.REF.fig.4"></Graphic>
<Para>The relationship between the modes is</Para>
<LiteralLayout>360 degrees = 2&pi; radians = 400 gradients  
</LiteralLayout>
<Para>Gradients and radians are other means of defining angular measurement.
Gradients are used in surveying applications and radians are used in
mathematical and electrical applications.</Para>
<Para>See <Link Type="jump" Linkend="taskchangetrig">To Change the Trigonometric Base</Link>.</Para>
</Sect1>
<Sect1 Id="popup">
<Title>&calcname; Options Menu</Title>
<IndexTerm>
<Primary>options menu</Primary>
</IndexTerm>
<Para>The &calcname; options menu appears when you click Options in the
&calcname; menubar. It also appears when you click button 3 in the &calcname;
window and on most buttons. Some buttons (Functions, Constants, Accuracy,
Store, Recall, and Exchange) have unique popup menus or dialogs that appear
when you click button 3. The on-item help for each of these buttons
describes the menu for that button.</Para>
<Para>Here's how the &calcname; popup menu appears when
&calcname; is in Scientific or Logical mode:</Para>
<Graphic Entityref="calcpopup" Id="HCALC.REF.fig.5"></Graphic>
<Para>The Help and Exit buttons provide access to &calcname; Help and
terminate &calcname;, respectively.</Para>
<Para>See Also
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.REF.item.17">
<Para><XRef Linkend="viewmemreg"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.18">
<Para><XRef Linkend="asciiHelp"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.19">
<Para><XRef Linkend="functionHelp"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.20">
<Para><XRef Linkend="constantHelp"></Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="basics">
<Title>&calcname; Button Functions</Title>
<Para>&calcname; has a number of buttons, many of which are multi-function. This
topic defines the functions for each button. The buttons are divided into
categories. In the following list click the category you want.
You can get
information on an individual button by choosing On Item in the &calcname;
Help menu. See
<Link Type="jump" Linkend="onitem">To Get Help on a Specific Key</Link> for more information.</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.21">
<Para><XRef Linkend="mainwindow"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.22">
<Para><XRef Linkend="opsmodes"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.23">
<Para><XRef Linkend="numbases"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.24">
<Para><XRef Linkend="displaymodes"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.25">
<Para><XRef Linkend="trigbases"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.26">
<Para><XRef Linkend="valuedisplay"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.27">
<Para><XRef Linkend="memregbtns"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.28">
<Para><XRef Linkend="mathfuncts"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.29">
<Para><XRef Linkend="scimodebtns"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.30">
<Para><XRef Linkend="finmodebtns"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.31">
<Para><XRef Linkend="logmodebtns"></Para>
</ListItem>
</ItemizedList>
<Sect2 Id="mainwindow">
<Title>&calcname; Main Window</Title>
<Para>The &calcname; main window consists of a menu bar, a display area, a mode
line, and a set of buttons, many of which are multi-function (see <Link Type="jump" Linkend="modedepend">Mode-Dependent Buttons</Link>).</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.32">
<Para><XRef Linkend="display"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.33">
<Para><XRef Linkend="modeline"></Para>
</ListItem>
</ItemizedList>
</Sect2>
<Sect2 Id="opsmodes">
<Title>Operation Modes</Title>
<Para>&calcname; has three operation modes:
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.REF.item.34">
<Para>Scientific (default)
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.35">
<Para>Financial
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.36">
<Para>Logical
</Para>
</ListItem>
</OrderedList>
<Para>You choose modes by clicking the first option menu button below the
display area and choosing the desired mode from the menu.</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.37">
<Para><XRef Linkend="Scientific"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.38">
<Para><XRef Linkend="Financial"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.39">
<Para><XRef Linkend="Logical"></Para>
</ListItem>
</ItemizedList>
</Sect2>
<Sect2 Id="numbases">
<Title>Numeric Bases</Title>
<Para>There are four numeric bases:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.40">
<Para>Bin(ary) &emdash; &sigspace; The base 2 number system in which values
are expressed as combinations of two digits, 0 and 1.
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.41">
<Para>Oct(al) &emdash; &sigspace; The base 8 number system consisting of the
digits 0 through 7.
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.42">
<Para>Dec(imal) &emdash; &sigspace; The default base 10 numbering system.
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.43">
<Para>Hex(adecimal) &emdash; &sigspace; The base 16 numbering system that consists
of the digits 0 through 9 and the uppercase or lowercase letters A
(equivalent to decimal 10) through 15 (equivalent to decimal 15).
</Para>
</ListItem>
</ItemizedList>
<Para>You choose modes by clicking the second option menu button below the
display area and choosing the desired mode from the menu.</Para>
<Note>
<Para>The alphabetical buttons A through F are only active when &calcname; is in
Hex mode.
</Para>
</Note>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.44">
<Para><XRef Linkend="Bin"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.45">
<Para><XRef Linkend="Dec"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.46">
<Para><XRef Linkend="Hex"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.47">
<Para><XRef Linkend="Oct"></Para>
</ListItem>
</ItemizedList>
</Sect2>
<Sect2 Id="displaymodes">
<Title>Display Modes</Title>
<Para>There are three display modes:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.48">
<Para>Eng(ineering) &emdash; &sigspace; Uses the mantissa-exponent display
format, but adjusts the mantissa so the exponent is always a multiple
of three. For example, the values 1500, 15000, 150000, and 1500000 are
displayed in Eng notation as 1.50e+3, 15.00e+3, 150.00e+3, and 1.50e+6
respectively.</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.49">
<Para>Fix(ed) &emdash; &sigspace; The default display mode of fixed-point
notation, in which the decimal point has a specified position.</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.50">
<Para>Sci(entific) &emdash; &sigspace; Uses the mantissa-exponent display
format, but adjusts the exponent so the mantissa is always in the form
n.nn. For example, the values 1500, 15000, 150000, and 1500000 are
displayed in Scientific notation as 1.50e+3, 1.50e+4, 1.50e+5, and 1.50e+6,
respectively.
</Para>
</ListItem>
</ItemizedList>
<Para>You choose the display mode by clicking the third option menu button below
the display area and choosing the desired mode from the menu.
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.51">
<Para><XRef Linkend="Fix"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.52">
<Para><XRef Linkend="Eng"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.53">
<Para><XRef Linkend="Sci"></Para>
</ListItem>
</ItemizedList>
</Sect2>
<Sect2 Id="trigbases">
<Title>Trigonometric Bases</Title>
<Para>There are three trigonometric bases:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.54">
<Para>Deg(rees) &emdash; &sigspace; The default trigonometric base.
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.55">
<Para>Grad(ient) &emdash; &sigspace;
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.56">
<Para>Rad(ian) &emdash; &sigspace; Another method of representing angular
measure. One radian equals 57.2 degrees.
</Para>
</ListItem>
</ItemizedList>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.57">
<Para><XRef Linkend="Deg"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.58">
<Para><XRef Linkend="Grad"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.59">
<Para><XRef Linkend="Rad"></Para>
</ListItem>
</ItemizedList>
<Para>*<XRef Linkend="blank">*<XRef Linkend="Functions">*<XRef Linkend="Constants">*<XRef Linkend="Keys"></Para>
</Sect2>
<Sect2 Id="valuedisplay">
<Title>Value Display Buttons</Title>
<OrderedList Role="tight">
<ListItem Id="HCALC.REF.item.60">
<Para>Int &emdash; &sigspace; Eliminates the fractional portion
of the displayed value. Note
that no rounding is used; the fractional value is removed, leaving just
the integer number of the original value.</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.61">
<Para>Frac &emdash; &sigspace; Eliminates the integer portion of the
displayed value. Note
that no rounding is used; the integer value is removed, leaving just
the fractional part of the original value.</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.62">
<Para>Abs &emdash; &sigspace; Displays the absolute value of the currently
displayed number.</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.63">
<Para>Exp &emdash; &sigspace; Use Exp to input the exponential portion
of a number. "Exp"
appears in the mode line, indicating that &calcname; expects you to enter a
number for the exponential value. You can do so by typing in the
number or clicking the appropriate number button.</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.64">
<Para>Accuracy &emdash; &sigspace; Specifies the degree of precision used
in operations. You
can choose from zero to nine places.
</Para>
</ListItem>
</OrderedList>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.65">
<Para><XRef Linkend="Int"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.66">
<Para><XRef Linkend="Frac"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.67">
<Para><XRef Linkend="Abs"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.68">
<Para><XRef Linkend="Exp"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.69">
<Para><XRef Linkend="calcAccuracy"></Para>
</ListItem>
</ItemizedList>
</Sect2>
<Sect2 Id="memregbtns">
<Title>Memory Register Buttons</Title>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.70">
<Para>Store &emdash; &sigspace; Stores the current value in one of ten
memory registers.
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.71">
<Para>Recall &emdash; &sigspace; Recalls the value in a specified register
that was stored
using the Store button.
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.72">
<Para>Exchange &emdash; &sigspace; Exchanges the value in the specified memory register with
the current value in the display area.
</Para>
</ListItem>
</ItemizedList>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.73">
<Para><XRef Linkend="Store"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.74">
<Para><XRef Linkend="Recall"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.75">
<Para><XRef Linkend="Exchange"></Para>
</ListItem>
</ItemizedList>
</Sect2>
<Sect2 Id="mathfuncts">
<Title>Mathematical Function Buttons</Title>
<Para>&calcname; has the standard mathematical function buttons:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.76">
<Para><XRef Linkend="reciprocalx"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.77">
<Para><XRef Linkend="xsquared"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.78">
<Para><XRef Linkend="calcSqrt"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.79">
<Para><XRef Linkend="calcpercent"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.80">
<Para><XRef Linkend="plusorminus"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.81">
<Para><XRef Linkend="times"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.82">
<Para><XRef Linkend="calcdivide"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.83">
<Para><XRef Linkend="minus"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.84">
<Para><XRef Linkend="equal"></Para>
</ListItem>
</ItemizedList>
</Sect2>
<Sect2 Id="scimodebtns">
<Title>Scientific Mode Buttons</Title>
<Para>Scientific mode is the default &calcname; mode. The Scientific mode
buttons are visible only when &calcname; is in
Scientific mode.</Para>
<Para>See <Link Type="jump" Linkend="Scientific">Scientific</Link> and <Link Type="jump" Linkend="changemodes">Changing Modes
</Link>.</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.85">
<Para><XRef Linkend="Inv"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.86">
<Para><XRef Linkend="Hyp"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.87">
<Para><XRef Linkend="e2thex"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.88">
<Para><XRef Linkend="ten2thex"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.89">
<Para><XRef Linkend="y2thex"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.90">
<Para><XRef Linkend="xfactorial"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.91">
<Para><XRef Linkend="Cos"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.92">
<Para><XRef Linkend="Sin"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.93">
<Para><XRef Linkend="Tan"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.94">
<Para><XRef Linkend="Ln"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.95">
<Para><XRef Linkend="Log"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.96">
<Para><XRef Linkend="Rand"></Para>
</ListItem>
</ItemizedList>
</Sect2>
<Sect2 Id="finmodebtns">
<Title>Financial Mode Buttons</Title>
<Para>The Financial mode buttons are visible only when &calcname; is in
Financial mode.</Para>
<Para>See <Link Type="jump" Linkend="Financial">Financial</Link> and <Link Type="jump" Linkend="changemodes">Changing Modes
</Link>.</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.97">
<Para><XRef Linkend="Term"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.98">
<Para><XRef Linkend="ipercentYr"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.99">
<Para><XRef Linkend="Pv"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.100">
<Para><XRef Linkend="Pmt"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.101">
<Para><XRef Linkend="Fv"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.102">
<Para><XRef Linkend="PperYR"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.103">
<Para><XRef Linkend="CLRfregs"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.104">
<Para><XRef Linkend="Ctrm"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.105">
<Para><XRef Linkend="Ddb"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.106">
<Para><XRef Linkend="Sln"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.107">
<Para><XRef Linkend="Syd"></Para>
</ListItem>
</ItemizedList>
</Sect2>
<Sect2 Id="logmodebtns">
<Title>Logical Mode Buttons</Title>
<Para>The Logical mode buttons are visible only when &calcname; is in
Logical mode.</Para>
<Para>See <Link Type="jump" Linkend="Logical">Logical</Link> and <Link Type="jump" Linkend="changemodes">Changing Modes
</Link>.</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.108">
<Para><XRef Linkend="shiftleft"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.109">
<Para><XRef Linkend="shiftright"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.110">
<Para><XRef Linkend="trunc16"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.111">
<Para><XRef Linkend="trunc32"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.112">
<Para><XRef Linkend="Or"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.113">
<Para><XRef Linkend="And"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.114">
<Para><XRef Linkend="Not"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.115">
<Para><XRef Linkend="Xor"></Para>
</ListItem>
<ListItem Id="HCALC.REF.item.116">
<Para><XRef Linkend="Xnor"></Para>
</ListItem>
</ItemizedList>
<Sect3 Id="display">
<Title>Display Area</Title>
<IndexTerm>
<Primary>display area</Primary>
</IndexTerm>
<Para>The display area is a single line that displays current values and the results
of operations. The display partially supports cut-and-paste; you can paste
its contents into another client that also supports cut-and-paste, but you
can't paste into the display area.</Para>
</Sect3>
<Sect3 Id="modeline">
<Title>Mode Line</Title>
<IndexTerm>
<Primary>mode line</Primary>
</IndexTerm>
<Para>The mode line is a part of the mode area, which includes the four option
menu buttons. It displays functions that normally require additional
entries. For example, assume you want to store the displayed value in a memory
register. When you click Store, "Store" appears in the mode line, and you
need to click on a number to indicate the register into which the value
should be stored.
</Para>
</Sect3>
<Sect3 Id="Scientific">
<Title>Scientific</Title>
<IndexTerm>
<Primary>scientific</Primary>
</IndexTerm>
<Para>Use Scientific to change the mode of operation for &calcname;. When
you click Scientific an option menu appears. The choices are Financial,
Logical, and Scientific. The mode-dependent buttons change
with the mode (see <Link Type="jump" Linkend="modedepend">Mode-Dependent Buttons</Link>).</Para>
</Sect3>
<Sect3 Id="Financial">
<Title>Financial</Title>
<IndexTerm>
<Primary>financial</Primary>
</IndexTerm>
<Para>Use Financial to change the mode of operation for &calcname;. When
you click Financial an option menu appears. The choices are Financial,
Logical, and Scientific. The mode-dependent buttons change
with the mode (see <Link Type="jump" Linkend="modedepend">Mode-Dependent Buttons</Link>).</Para>
</Sect3>
<Sect3 Id="Logical">
<Title>Logical</Title>
<Para>Use Logical to change the mode of operation for &calcname;. When
you click Logical an option menu appears. The choices are Financial,
Logical, and Scientific. The mode-dependent buttons change
with the mode (see <Link Type="jump" Linkend="modedepend">Mode-Dependent Buttons</Link>).</Para>
</Sect3>
<Sect3 Id="Dec">
<Title>Dec</Title>
<Para>Use Dec to change the numeric base for &calcname; operations. When
you click Dec an option menu appears. The choices are Bin (binary),
Oct (octal), Dec (decimal), and Hex (hexadecimal).
</Para>
</Sect3>
<Sect3 Id="Bin">
<Title>Bin</Title>
<Para>Use Bin to change the numeric base for &calcname; operations. When
you click Bin an option menu appears. The choices are Bin (binary),
Oct (octal), Dec (decimal), and Hex (hexadecimal).
</Para>
</Sect3>
<Sect3 Id="Hex">
<Title>Hex</Title>
<Para>Use Hex to change the numeric base for &calcname; operations. When
you click Hex an option menu appears. The choices are Bin (binary),
Oct (octal), Dec (decimal), and Hex (hexadecimal).
</Para>
</Sect3>
<Sect3 Id="Oct">
<Title>Oct</Title>
<Para>Use Oct to change the numeric base for &calcname; operations. When
you click Oct an option menu appears. The choices are Bin (binary),
Oct (octal), Dec (decimal), and Hex (hexadecimal).
</Para>
</Sect3>
<Sect3 Id="Fix">
<Title>Fix</Title>
<Para>Use Fix to change the display mode for &calcname; operations. When
you click Fix an option menu appears. The choices are Eng (engineering),
Fix (fixed point), and Sci (scientific).
</Para>
</Sect3>
<Sect3 Id="Eng">
<Title>Eng</Title>
<Para>Use Eng to change the display mode for &calcname; operations. When
you click Eng an option menu appears. The choices are Eng (engineering),
Fix (fixed point), and Sci (scientific).
</Para>
</Sect3>
<Sect3 Id="Sci">
<Title>Sci</Title>
<Para>Use Sci to change the display mode for &calcname; operations. When
you click Sci an option menu appears. The choices are Eng (engineering),
Fix (fixed point), and Sci (scientific).
</Para>
</Sect3>
<Sect3 Id="Deg">
<Title>Deg</Title>
<Para>Use Deg to change the trigonometric base for &calcname; operations.
When
you click Deg an option menu appears. The choices are Deg (degrees)
Grad (gradients), and Rad (radians).
</Para>
<Note>
<Para>The Deg button is active only when &calcname; is in Scientific mode.
</Para>
</Note>
</Sect3>
<Sect3 Id="Grad">
<Title>Grad</Title>
<Para>Use Grad to change the trigonometric base for &calcname; operations.
When
you click Grad an option menu appears. The choices are Deg (degrees)
Grad (gradients), and Rad (radians).
</Para>
<Note>
<Para>The Grad button is active only when &calcname; is in Scientific mode.
</Para>
</Note>
</Sect3>
<Sect3 Id="Rad">
<Title>Rad</Title>
<Para>Use Rad to change the trigonometric base for &calcname; operations.
When
you click Rad an option menu appears. The choices are Deg (degrees)
Grad (gradients), and Rad (radians).
</Para>
<Note>
<Para>The Rad button is active only when &calcname; is in Scientific mode.
</Para>
</Note>
</Sect3>
<Sect3 Id="blank">
<Title>Blank Button</Title>
<Para>Blank buttons are not used by &calcname;.
</Para>
</Sect3>
<Sect3 Id="Functions">
<Title>Functions</Title>
<Para>Use Functions to select a user-defined function. You can define up to ten
functions. See <Link Type="jump" Linkend="functionHelp">"To
Enter a Function"</Link> for more information.</Para>
</Sect3>
<Sect3 Id="Constants">
<Title>Constants</Title>
<Para>Use Constants to select from a list of constant values to use
in the current operation, or to view the active list of constant values.
See <Link Type="jump" Linkend="selectconstant">To Select a Constant Value</Link> for more
information.</Para>
</Sect3>
<Sect3 Id="Keys">
<Title>Keys</Title>
<Para>Use Keys to change the labels of all the &calcname; buttons to show their
keyboard equivalent. Click Keys again and the labels display only their
respective functions. The mouse is still active when the keyboard
equivalents are displayed.
</Para>
</Sect3>
<Sect3 Id="Int">
<Title>Int</Title>
<Para>Use Int to eliminate the fractional portion of the displayed
value. Note that no
rounding is used; the fractional value is removed, leaving just the
integer number of the original value.
</Para>
</Sect3>
<Sect3 Id="Frac">
<Title>Frac</Title>
<Para>Use Frac to eliminate the integer portion of the displayed
value. Note that no
rounding is used; the integer value is removed, leaving just the
fractional part of the original value.
</Para>
</Sect3>
<Sect3 Id="Abs">
<Title>Abs</Title>
<Para>Use Abs to display the absolute value of the currently displayed number.
</Para>
</Sect3>
<Sect3 Id="Exp">
<Title>Exp</Title>
<Para>Use Exp to input the exponential portion of a number. "Exp" appears in
the mode line, indicating that &calcname; expects you to enter a number for
the exponential value. You can do so by typing in the number or clicking
the appropriate number button.
</Para>
</Sect3>
<Sect3 Id="calcAccuracy">
<Title>Accuracy</Title>
<Para>Use Accuracy to specify the degree of precision used in &calcname;
operations. You can specify the accuracy in three different methods:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.REF.item.117">
<Para>Click button 3 with the pointer
in the Accuracy button. A popup menu appears from which you can choose
an accuracy of from zero
to nine places.
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.118">
<Para>Click Accuracy and then enter the number from the keyboard.
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.119">
<Para>Click Accuracy and then click a digit button representing the number of
places you want.
</Para>
</ListItem>
</ItemizedList>
</Sect3>
<Sect3 Id="Store">
<Title>Store</Title>
<Para>Use Store to store the current value in one of ten
memory registers.
When you click Store, the word "Store"
appears in the mode line, indicating that you need to specify the memory
register you want.
You specify the register by clicking a number from 0 to
9 immediately after clicking Store, or by clicking button 3
on Store and choosing
from the popup menu that appears. You can recall the value by using the
<Link Type="jump" Linkend="Recall">Recall</Link> button. The value in the display area is not
changed. See <Link Type="jump" Linkend="viewmemreg">To View Memory or Financial registers</Link>
for information on viewing the contents of the memory registers.</Para>
</Sect3>
<Sect3 Id="Recall">
<Title>Recall</Title>
<Para>Use Recall to recall the value in a specified register
that was stored using the <Link Type="jump" Linkend="Store">Store</Link> button. When you click
Recall the word "Recall" appears in the Mode Line, indicating that you need
to specify the register you want.
You specify the register by clicking a number from 0 to
9 immediately after clicking Recall, or by clicking button 3
on Recall and choosing
from the popup menu that appears.
The value in that register is then
displayed in the display area. The contents of the register are not
altered.</Para>
</Sect3>
<Sect3 Id="Exchange">
<Title>Exchange</Title>
<Para>Use Exchange to exchange the value in the specified memory register
with the current value in the display area. When you click
Exchange the word "Exchange" appears in the Mode Line, indicating that
you need
to specify the register you want.
You specify the register by clicking a number from 0 to
9 immediately after clicking Exchange, or by clicking button 3
on Exchange and choosing
from the popup menu that appears.
</Para>
</Sect3>
<Sect3 Id="Inv">
<Title>Inv</Title>
<Para>Use Inv to toggle the Sin, Cos, and Tan functions to
their inverse. When you click on Inv the letters "INV" appear on the
Mode
Line, indicating that the inverse is enabled for the three trigonometric
functions. You return to normal operation by clicking Inv again.</Para>
<Para>The Inv button is functional only when the calculator is in Scientific mode.
See <Link Type="jump" Linkend="Cos">Cos</Link>, <Link Type="jump" Linkend="Sin">Sin</Link>, and <Link Type="jump" Linkend="Tan">Tan</Link>.</Para>
</Sect3>
<Sect3 Id="Hyp">
<Title>Hyp</Title>
<Para>Use Hyp to toggle the Sin, Cos, and Tan functions to
obtain the hyperbolic version. When you click on Hyp the letters "HYP"
appear on the Mode
Line, indicating that hyperbolic is enabled for the three trigonometric
functions. You return to normal operation by clicking Hyp again. You can
obtain the inverse hyperbolic of the three functions by clicking on Inv.</Para>
<Para>The Hyp button is functional only when the calculator is in Scientific mode.
See <Link Type="jump" Linkend="Cos">Cos</Link>, <Link Type="jump" Linkend="Sin">Sin</Link>, and <Link Type="jump" Linkend="Tan">Tan</Link>.</Para>
</Sect3>
<Sect3 Id="e2thex">
<Title>e^x</Title>
<Para>Use e^x to obtain the value of e raised to a power equal to the
current displayed value.</Para>
<Para>The e^x button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="ten2thex">
<Title>10^x</Title>
<Para>Use 10^x to obtain the value of 10 raised to a power equal to the
current displayed value.</Para>
<Para>The 10^x button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="y2thex">
<Title>y^x</Title>
<Para>Use y^x to raise the value of the number you entered in the display area
prior to clicking y^x to the power of the next number you enter. For
example, suppose you want to find the value of 3 raised to the 4th power.</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.REF.item.120">
<Para>Click 3
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.121">
<Para>Click y^x
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.122">
<Para>Click 4
</Para>
</ListItem>
</OrderedList>
<Para>The result, 81, appears in the display area.</Para>
<Para>The y^x button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="xfactorial">
<Title>x!</Title>
<Para>Use x! to obtain the factorial of the currently displayed number,
provided the number is positive.</Para>
<Para>The x! button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="Cos">
<Title>Cos</Title>
<Para>Use Cos to obtain the cosine, arccosine, hyperbolic cosine, or inverse
hyperbolic cosine of the current displayed value, depending on the settings
of the Hyp and Inv buttons. The result is displayed in the current
trigonometric base (degrees, radians, or gradients). See <Link Type="jump" Linkend="Hyp">Hyp</Link>, <Link Type="jump" Linkend="Inv">Inv</Link>, <Link Type="jump" Linkend="Deg">Deg</Link>, <Link Type="jump" Linkend="Rad">Rad</Link>, and <Link Type="jump" Linkend="Grad">Grad</Link>.</Para>
<Para>The Cos button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="Sin">
<Title>Sin</Title>
<Para>Use Sin to obtain the sine, arcsine, hyperbolic sine, or inverse
hyperbolic sine of the current displayed value, depending on the settings
of the Hyp and Inv buttons. The result is displayed in the current
trigonometric base (degrees, radians, or gradients). See <Link Type="jump" Linkend="Hyp">Hyp</Link>, <Link Type="jump" Linkend="Inv">Inv</Link>, <Link Type="jump" Linkend="Deg">Deg</Link>, <Link Type="jump" Linkend="Rad">Rad</Link>, and <Link Type="jump" Linkend="Grad">Grad</Link>.</Para>
<Para>The Sin button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="Tan">
<Title>Tan</Title>
<Para>Use Tan to obtain the tan, arctan, hyperbolic tan, or inverse
hyperbolic tan of the current displayed value, depending on the settings
of the Hyp and Inv buttons. The result is displayed in the current
trigonometric base (degrees, radians, or gradients). See <Link Type="jump" Linkend="Hyp">Hyp</Link>, <Link Type="jump" Linkend="Inv">Inv</Link>, <Link Type="jump" Linkend="Deg">Deg</Link>, <Link Type="jump" Linkend="Rad">Rad</Link>, and <Link Type="jump" Linkend="Grad">Grad</Link>.</Para>
<Para>The Tan button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="Ln">
<Title>Ln</Title>
<Para>Use Ln to obtain the natural logarithm of the displayed value.</Para>
<Para>The Ln button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="Log">
<Title>Log</Title>
<Para>Use Log to obtain the base 10 logarithm of the displayed value.</Para>
<Para>The Log button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="Rand">
<Title>Rand</Title>
<Para>Use Rand to obtain a random number between 0.0 and 1.0.</Para>
<Para>The Rand button is functional only when the calculator is in Scientific mode.</Para>
</Sect3>
<Sect3 Id="Term">
<Title>Term</Title>
<Para>Use Term to calculate the number of payment periods in the term of an
ordinary annuity. See <Link Type="jump" Linkend="TermTask">To Calculate the Number of Payment
Periods</Link> for more information. You also use Term to enter values
into the Term financial register.</Para>
<Para>The Term button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="ipercentYr">
<Title>i%Yr</Title>
<Para>Use i%Yr to calculate the interest rate per year. See <Link Type="jump" Linkend="intTask">To
Calculate Periodic Interest Rate</Link> for more information. You also use
i%Yr to enter values into the i%Yr financial register.</Para>
<Para>The i%Yr button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="Pv">
<Title>Pv</Title>
<Para>Use Pv to calculate the present value of an investment. See <Link Type="jump" Linkend="PvTask">To
Calculate the Present Value of an Investment</Link>.
You also use
Pv to enter values into the Pv financial register.</Para>
<Para>The Pv button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="Pmt">
<Title>Pmt</Title>
<Para>Use Pmt to calculate the amount of a periodic payment of a loan. See <Link Type="jump" Linkend="PmtTask">To Calculate the Periodic Payment</Link> for more information.
You also use
Pmt to enter values into the Pmt financial register.</Para>
<Para>The Pmt button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="Fv">
<Title>Fv</Title>
<Para>Use Fv to calculate the future value of an investment. See <Link Type="jump" Linkend="FvTask">To
Calculate the Future Value of an Investment</Link> for more information.
You also use
Fv to enter values into the Fv financial register.</Para>
<Para>The Fv button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="PperYR">
<Title>P/YR</Title>
<Para>Use P/YR to change the number of payments per year. The default value is
12. This button cannot be used to calculate the number of payments per
year, only to set it.</Para>
<Para>The P/YR button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="CLRfregs">
<Title>CLRfregs</Title>
<Para>Use CLRfregs to clear the financial registers. You can view the contents
of the financial register by choosing Financial Registers from the
calculator popup menu or Options on the calculator menubar.</Para>
<Para>The CLRfregs button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="Ctrm">
<Title>Ctrm</Title>
<Para>Use Ctrm to calculate the number of compounding periods it will take an
investment of present value to increase to a future value, earning a fixed
interest rate per compounding period. See <Link Type="jump" Linkend="CtrmTask">To Calculate
the Number of Compounding Periods</Link> for more information.</Para>
<Para>The Ctrm button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="Ddb">
<Title>Ddb</Title>
<Para>Use Ddb to calculate the depreciation allowance on an asset for a specified
period of time, using the double-declining balance method. See <Link Type="jump" Linkend="DdbTask">To Calculate Depreciation Using Double-Declining Balance</Link>
for more information.</Para>
<Para>The Ddb button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="Sln">
<Title>Sln</Title>
<Para>Use Sln to calculate the straight-line depreciation of an asset for one
period. The straight-line method of depreciation divides the depreciable
cost (cost &minus; salvage value) evenly over the useful life of the
asset. The useful life is the number of periods (normally years) over
which the asset is depreciated. See <Link Type="jump" Linkend="SlnTask">To Calculate
Straight-Line Depreciation</Link> for more information.</Para>
<Para>The Sln button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="Syd">
<Title>Syd</Title>
<Para>Use Syd to calculate the sum-of-the-years'-digits depreciation. This
method of depreciation accelerates the rate of depreciation so that more
depreciation expense occurs in earlier periods than in later ones.
See <Link Type="jump" Linkend="SydTask">To Calculate Sum-of-years'-digits Depreciation</Link>
The Syd button is functional only when the calculator is in Financial mode.</Para>
</Sect3>
<Sect3 Id="shiftleft">
<Title>&lt;</Title>
<Para>Use &lt; to shift the displayed value a specified number of binary places
to the left. The currently displayed value is truncated to 32 bits
before the operation is performed. When you click this key,
the &lt; symbol appears in the mode line, indicating that you are then to
enter the number of places to shift. For example, to shift 100 binary (4
decimal) one
place to the left, perform the following steps.
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.REF.item.123">
<Para>Click &lt;
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.124">
<Para>Click 1
</Para>
</ListItem>
</OrderedList>
<Para>The display changes to 1000.00 binary (8 decimal).</Para>
<Para>The &lt; button is functional only when the calculator is in Logical mode.</Para>
</Sect3>
<Sect3 Id="shiftright">
<Title>></Title>
<Para>Use > to shift the displayed value a specified number of binary places
to the right. The currently displayed value is truncated to 32 bits
before the operation is performed. Also, this operation does not propagate
the sign-bit. When you click this key,
the > symbol appears in the mode line, indicating that you are then to
enter the number of places to shift. For example, to shift 100 binary (4
decimal) one
place to the right, perform the following steps.
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.REF.item.125">
<Para>Click >
</Para>
</ListItem>
<ListItem Id="HCALC.REF.item.126">
<Para>Click 1
</Para>
</ListItem>
</OrderedList>
<Para>The display changes to 10.00 binary (2 decimal).</Para>
<Para>The > button is functional only when the calculator is in Logical mode.</Para>
</Sect3>
<Sect3 Id="trunc16">
<Title>&amp;16</Title>
<Para>Use &amp;16 to truncate the current display value to a 16-bit integer.
The &amp;16 button is functional only when the calculator is in Logical mode.
</Para>
</Sect3>
<Sect3 Id="trunc32">
<Title>&amp;32</Title>
<Para>Use &amp;32 to truncate the current display value to a 32-bit integer.
The &amp;32 button is functional only when the calculator is in Logical mode.
</Para>
</Sect3>
<Sect3 Id="Or">
<Title>Or</Title>
<Para>Use Or to perform a logical OR operation on the currently displayed value
and the next
number entered, treating both numbers as 32-bit integers.</Para>
<Para>The Or button is functional only when the calculator is in Logical mode.
</Para>
</Sect3>
<Sect3 Id="And">
<Title>And</Title>
<Para>Use And to perform a logical AND operation on the currently displayed value
and the next
number entered, treating both numbers as 32-bit integers.</Para>
<Para>The And button is functional only when the calculator is in Logical mode.
</Para>
</Sect3>
<Sect3 Id="Not">
<Title>Not</Title>
<Para>Use Not to perform a logical NOT operation on the currently displayed
value. The currently displayed value is truncated to 32 bits before the
operation is performed.</Para>
<Para>The Not button is functional only when the calculator is in Logical mode.
</Para>
</Sect3>
<Sect3 Id="Xor">
<Title>Xor</Title>
<Para>Use Xor to perform a logical XOR operation on the currently displayed value
and the next
number entered, treating them both as 32-bit integers.</Para>
<Para>The Xor button is functional only when the calculator is in Logical mode.
</Para>
</Sect3>
<Sect3 Id="Xnor">
<Title>Xnor</Title>
<Para>Use Xnor to perform a logical XNOR operation on the currently displayed
value
and the next
number entered, treating them both as 32-bit integers.
The Xnor button is functional only when the calculator is in Logical mode.
</Para>
</Sect3>
<Sect3 Id="reciprocalx">
<Title>1/x</Title>
<Para>Use 1/x to find the reciprocal of the currently displayed number.
</Para>
</Sect3>
<Sect3 Id="xsquared">
<Title>x^2</Title>
<Para>Use x^2 to find the square of the currently displayed number.</Para>
</Sect3>
<Sect3 Id="calcSqrt">
<Title>Sqrt</Title>
<Para>Use Sqrt to find the square root of the currently displayed number.
</Para>
</Sect3>
<Sect3 Id="calcpercent">
<Title>%</Title>
<Para>Use % to find a percentage (specified by the next value entered)
of the currently displayed value.</Para>
</Sect3>
<Sect3 Id="leftparen">
<Title>(</Title>
<Para>Use ( in conjunction with ) to give precedence to an arithmetic operation. You must always include
a corresponding ) for each ( you use. See <Link Type="jump" Linkend="combops">"To Perform
Combined Operations"</Link> for more information.</Para>
</Sect3>
<Sect3 Id="rightparen">
<Title>)</Title>
<Para>Use ) in conjunction with ( to give precedence to an arithmetic
operation. You must always include
a corresponding ) for each ( you use. See <Link Type="jump" Linkend="combops">"To Perform
Combined Operations"</Link> for more information.</Para>
</Sect3>
<Sect3 Id="Bsp">
<Title>Bsp</Title>
<Para>Use Bsp to clear the display one digit at a time, starting from the
right-most digit.
</Para>
</Sect3>
<Sect3 Id="Clr">
<Title>Clr</Title>
<Para>Use Clr to clear the current value from the display. The display is set to
0.
</Para>
</Sect3>
<Sect3 Id="D">
<Title>D</Title>
<Para>Use D to enter the hexadecimal value D. The D button is functional only
when the calculator numeric base is Hex.
</Para>
</Sect3>
<Sect3 Id="E">
<Title>E</Title>
<Para>Use E to enter the hexadecimal value E. The E button is functional only
when the calculator numeric base is Hex.
</Para>
</Sect3>
<Sect3 Id="F">
<Title>F</Title>
<Para>Use F to enter the hexadecimal value F. The F button is functional only
when the calculator numeric base is Hex.
</Para>
</Sect3>
<Sect3 Id="plusorminus">
<Title>+/&minus;</Title>
<Para>Use +/&minus; to change the sign of the currently displayed value or the
exponent being entered with the Exp button.</Para>
</Sect3>
<Sect3 Id="A">
<Title>A</Title>
<Para>Use A to enter the hexadecimal value A. The A button is functional only
when the calculator numeric base is Hex.
</Para>
</Sect3>
<Sect3 Id="B">
<Title>B</Title>
<Para>Use B to enter the hexadecimal value B. The B button is functional only
when the calculator numeric base is Hex.
</Para>
</Sect3>
<Sect3 Id="C">
<Title>C</Title>
<Para>Use C to enter the hexadecimal value C. The C button is functional only
when the calculator numeric base is Hex.
</Para>
</Sect3>
<Sect3 Id="times">
<Title>&times;</Title>
<Para>Use &times; &sigspace; to find the product of the currently displayed
value and the next number entered. See <Link Type="jump" Linkend="mathops">"To Perform
Simple Mathematical Operations"</Link>.</Para>
</Sect3>
<Sect3 Id="seven">
<Title>7</Title>
<Para>Use 7 to enter the number 7. The 7 button is not functional when the
calculator numeric base is binary (Bin).
</Para>
</Sect3>
<Sect3 Id="eight">
<Title>8</Title>
<Para>Use 8 to enter the number 8. The 8 button is not functional when the
calculator numeric base is binary (Bin) or octal (Oct).
</Para>
</Sect3>
<Sect3 Id="nine">
<Title>9</Title>
<Para>Use 9 to enter the number 9. The 9 button is not functional when the
calculator numeric base is binary (Bin) or octal (Oct).
</Para>
</Sect3>
<Sect3 Id="calcdivide">
<Title>/</Title>
<Para>Use / to divide the currently displayed
value by the next number entered. See <Link Type="jump" Linkend="mathops">"To Perform
Simple Mathematical Operations"</Link>.</Para>
</Sect3>
<Sect3 Id="four">
<Title>4</Title>
<Para>Use 4 to enter the number 4. The 4 button is not functional when the
calculator numeric base is binary (Bin).
</Para>
</Sect3>
<Sect3 Id="five">
<Title>5</Title>
<Para>Use 5 to enter the number 5. The 5 button is not functional when the
calculator numeric base is binary (Bin).
</Para>
</Sect3>
<Sect3 Id="six">
<Title>6</Title>
<Para>Use 6 to enter the number 6. The 6 button is not functional when the
calculator numeric base is binary (Bin).
</Para>
</Sect3>
<Sect3 Id="minus">
<Title>&minus;</Title>
<Para>Use &minus; to subtract the next number entered from the currently
displayed value. See <Link Type="jump" Linkend="mathops">"To Perform Simple Mathematical
Operations"</Link>.</Para>
</Sect3>
<Sect3 Id="one">
<Title>1</Title>
<Para>Use 1 to enter the number 1.
</Para>
</Sect3>
<Sect3 Id="two">
<Title>2</Title>
<Para>Use 2 to enter the number 2. The 2 button is not functional when the
calculator numeric base is binary (Bin).
</Para>
</Sect3>
<Sect3 Id="three">
<Title>3</Title>
<Para>Use 3 to enter the number 3. The 3 button is not functional when the
calculator numeric base is binary (Bin).
</Para>
</Sect3>
<Sect3 Id="plus">
<Title>+</Title>
<Para>Use + to add the next value entered to the currently displayed value.
See <Link Type="jump" Linkend="mathops">"To Perform Simple Mathematical Operations"</Link>.</Para>
</Sect3>
<Sect3 Id="zero">
<Title>0</Title>
<Para>Use 0 to enter the number 0.
</Para>
</Sect3>
<Sect3 Id="period">
<Title>.</Title>
<Para>Use . to enter a period to separate the integer from the fractional part of
a number.
</Para>
</Sect3>
<Sect3 Id="equal">
<Title>=</Title>
<Para>Use = following any of the arithmetic operations to display the result in
the display area.
</Para>
</Sect3>
<Sect3 Id="Quit">
<Title>Quit</Title>
<Para>Use Quit to terminate the calculator program.
</Para>
</Sect3>
</Sect2>
</Sect1>
</Chapter>
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