<!-- $XConsortium: Tasks.sgm /main/6 1996/09/08 22:51:39 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="Tasks">
<Title>&calcname; Tasks</Title>
<Para>This topic covers basic functions that you can perform with &calcname;
regardless of the mode of operation.
If you want help on a specific &calcname; button, choose
On Item from the &calcname; Help menu, move the pointer to the
button on which you need help, and click mouse button 1.
</Para>
<Procedure>
<Title>Using &calcname;</Title>
<Step>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.1">
<Para><XRef Linkend="enternum"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.2">
<Para><XRef Linkend="usekbd"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.3">
<Para><XRef Linkend="onitem"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.4">
<Para><XRef Linkend="accuracy"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.5">
<Para><XRef Linkend="taskchngmodes"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.6">
<Para><XRef Linkend="taskchangebase"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.7">
<Para><XRef Linkend="taskchangedisp"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.8">
<Para><XRef Linkend="taskchangetrig"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.9">
<Para><XRef Linkend="viewmemreg"></Para>
</ListItem>
</ItemizedList>
</Step>
</Procedure>
<Procedure>
<Title>Creating and Modifying Functions and Constants</Title>
<Step>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.10">
<Para><XRef Linkend="asciiHelp"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.11">
<Para><XRef Linkend="functionHelp"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.12">
<Para><XRef Linkend="constantHelp"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.13">
<Para><XRef Linkend="selectconstant"></Para>
</ListItem>
</ItemizedList>
</Step>
</Procedure>
<Procedure>
<Title>Performing Simple Mathematical Operations</Title>
<Step>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.14">
<Para><XRef Linkend="mathops"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.15">
<Para><XRef Linkend="combops"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.16">
<Para><XRef Linkend="reciprocal"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.17">
<Para><XRef Linkend="sqrt"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.18">
<Para><XRef Linkend="square"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.19">
<Para><XRef Linkend="percent"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.20">
<Para><XRef Linkend="chngsign"></Para>
</ListItem>
</ItemizedList>
</Step>
</Procedure>
<Procedure>
<Title>Performing Financial Operations</Title>
<Step>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.21">
<Para><XRef Linkend="TermTask"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.22">
<Para><XRef Linkend="intTask"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.23">
<Para><XRef Linkend="PvTask"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.24">
<Para><XRef Linkend="PmtTask"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.25">
<Para><XRef Linkend="FvTask"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.26">
<Para><XRef Linkend="CtrmTask"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.27">
<Para><XRef Linkend="DdbTask"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.28">
<Para><XRef Linkend="SlnTask"></Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.29">
<Para><XRef Linkend="SydTask"></Para>
</ListItem>
</ItemizedList>
</Step>
</Procedure>
<Sect1 Id="enternum">
<Title>To Enter Numbers</Title>
<Para>You can enter numbers into the calculator in two ways:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.30">
<Para>Typing the numbers from the keyboard
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.31">
<Para>Clicking mouse button 1 on the number buttons
</Para>
</ListItem>
</ItemizedList>
<Para>For example, to enter the number 47.5, move the pointer into the
&calcname; window and do one of the following:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.32">
<Para>Type 47.5
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.33">
<Para>Click 4, 7, ., and 5 in succession.
</Para>
</ListItem>
</ItemizedList>
<Para>Click Clr to clear the display window.</Para>
</Sect1>
<Sect1 Id="usekbd">
<Title>To Display Keyboard Equivalents</Title>
<IndexTerm>
<Primary>keyboard operation</Primary>
</IndexTerm>
<IndexTerm>
<Primary>mouse operation</Primary>
</IndexTerm>
<IndexTerm>
<Primary>keyboard mnemonic</Primary>
</IndexTerm>
<Para>For each &calcname; button
there is a corresponding keyboard mnemonic that performs the same function.
To display the mnemonics:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.34">
<Para>Click the Keys button or press k.
</Para>
</ListItem>
</ItemizedList>
<Para>The &calcname; button labels
display both the mnemonic and the function, separated by a &minus; where
necessary. Note that some keyboard mnemonics are uppercase, and some are
lowercase.</Para>
</Sect1>
<Sect1 Id="accuracy">
<Title>To Set Accuracy</Title>
<Para>The numeric accuracy is two places by default.
To set the accuracy you want:
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.35">
<Para>Click Accuracy or press Shift a.</Para>
<Para>The word "Accuracy" appears between
the display window and the mode line.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.36">
<Para>Type the number of places you want for accuracy.</Para>
<Para>The display shifts to show the requested number of places to the right of the
point.
</Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="taskchngmodes">
<Title>To Change Modes</Title>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.37">
<Para>Press mouse button 1 on the first menu button in the mode line below
the display area.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.38">
<Para>Choose one of the following modes:</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.39">
<Para>Scientific (the default) &emdash;&sigspace; Provides scientific functions such as sine,
cosine, and log
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.40">
<Para>Financial &emdash;&sigspace; Provides financial functions such as
payment and term
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.41">
<Para>Logical &emdash;&sigspace; Provides Boolean logical operators such as And and Xnor</Para>
</ListItem>
</ItemizedList>
<Para>The mode-dependent keys in the center of the Calculator change to reflect
the mode you choose.
</Para>
</ListItem>
</ItemizedList>
<Para>See Also
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.42">
<Para><Link Type="jump" Linkend="changemodes">"Changing Modes"</Link>
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.43">
<Para><Link Type="jump" Linkend="scimodebtns">"Scientific Mode Buttons"</Link>
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.44">
<Para><Link Type="jump" Linkend="finmodebtns">"Financial Mode Buttons"</Link>
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.45">
<Para><Link Type="jump" Linkend="logmodebtns">"Logical Mode Buttons"</Link>
</Para>
</ListItem>
</ItemizedList>
</Sect1>
<Sect1 Id="taskchangebase">
<Title>To Change the Numeric Base</Title>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.46">
<Para>Press mouse button 1 on the second option menu button in the mode
line below the display area.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.47">
<Para>Choose the numeric base from the button menu:</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.48">
<Para>Bin &emdash;&sigspace; Binary
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.49">
<Para>Oct &emdash;&sigspace; Octal
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.50">
<Para>Dec &emdash;&sigspace; Decimal
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.51">
<Para>Hex &emdash;&sigspace; Hexadecimal
</Para>
</ListItem>
</ItemizedList>
</ListItem>
<ListItem Id="HCALC.TSKS.item.52">
<Para>Click the second option menu button in the mode line below the display area.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.53">
<Para>Choose the numeric base you want from the option menu list.
</Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="taskchangedisp">
<Title>To Change the Display Mode for Operations</Title>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.54">
<Para>Press mouse button 1 on the third option menu button in the mode line
below the display area.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.55">
<Para>Choose the display mode from the button menu:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.56">
<Para>Eng &emdash;&sigspace; Engineering
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.57">
<Para>Fix &emdash;&sigspace; Fixed
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.58">
<Para>Sci &emdash;&sigspace; Scientific
</Para>
</ListItem>
</ItemizedList>
</ListItem>
</ItemizedList>
</Sect1>
<Sect1 Id="taskchangetrig">
<Title>To Change the Trigonometric Base for Operations</Title>
<Note>
<Para>You can only choose a trigonometric base when Calculator is in
Scientific mode (the default).
</Para>
</Note>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.59">
<Para>Press mouse button 1 on the fourth option menu button in the mode
line below the display area.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.60">
<Para>Choose the trigonometric base from the button menu:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.61">
<Para>Deg &emdash;&sigspace; Degrees
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.62">
<Para>Grad &emdash;&sigspace; Gradients
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.63">
<Para>Rad &emdash;&sigspace; Radians
</Para>
</ListItem>
</ItemizedList>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="viewmemreg">
<Title>To View Memory or Financial Registers</Title>
<IndexTerm>
<Primary>memory register</Primary>
</IndexTerm>
<Para>&calcname; has ten memory registers numbered 0 - 9 into which you can store
and retrieve values.</Para>
<Para>When &calcname; is in Scientific or Logical mode,
choose Memory Registers from the
&calcname; Options menu to view the
contents of these registers.</Para>
<Graphic Entityref="memregs" Id="HCALC.TSKS.fig.1"></Graphic>
<Para>When &calcname; is in Financial mode, choose Financial Registers from the
Options menu to view
the contents of the financial registers.</Para>
<Graphic Entityref="finregs" Id="HCALC.TSKS.fig.2"></Graphic>
</Sect1>
<Sect1 Id="asciiHelp">
<Title>To Find Numeric Values of ASCII Characters</Title>
<IndexTerm>
<Primary>ASCII character conversion</Primary>
</IndexTerm>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.64">
<Para>Choose ASCII Convert from the &calcname; Options menu. A dialog box appears:</Para>
<Graphic Entityref="getascii" Id="HCALC.TSKS.fig.3"></Graphic>
</ListItem>
<ListItem Id="HCALC.TSKS.item.65">
<Para>Type the ASCII character for which you want the numeric equivalent value
in the Character field.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.66">
<Para>Click Apply.</Para>
<Para>The numeric value of the ASCII character appears in the
&calcname; display window.</Para>
<Para>For example, if you typed the letter A, the
decimal value is 65. If you have Hexadecimal selected as the numeric base,
the value is 41.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.67">
<Para>Click Close when you are through.
</Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="functionHelp">
<Title>To Create or Delete a Function</Title>
<IndexTerm>
<Primary>function, create</Primary>
</IndexTerm>
<IndexTerm>
<Primary>create function</Primary>
</IndexTerm>
<IndexTerm>
<Primary>function, delete</Primary>
</IndexTerm>
<IndexTerm>
<Primary>delete function</Primary>
</IndexTerm>
<Procedure>
<Title>To Create a Function</Title>
<Step>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.68">
<Para>Choose Enter Function from the Options menu. The New Function dialog box
appears:</Para>
<Graphic Entityref="newfunction1" Id="HCALC.TSKS.fig.4"></Graphic>
</ListItem>
<ListItem Id="HCALC.TSKS.item.69">
<Para>Type the number for the new function.</Para>
<Para>To display the number of existing functions, press mouse button 3 on the Functions button in the Calculator. To create a new function, use
the next available number up to a maximum of 10 (numbered 0 through 9).
To modify an existing function, type its number.</Para>
<Para>If a function already exists for the function number you typed, a
dialog box appears asking whether you want to overwrite the existing
function. Click Confirm to overwrite; Click Cancel to retain the
existing function.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.70">
<Para>Type a description of the function in the Description field (up to
a maximum of 40 characters).</Para>
<Para>For example, if you wanted to create a function that would find the
area of a rectangle, you might describe it as "Area of a rectangle."</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.71">
<Para>Type the value for the function.</Para>
<Para>For example, the function to find the area of a rectangle might
put the values of length and width in memory register 1 and memory
register 2, respectively, and put the result in memory register 3.
The value for the function would then be R1</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.72">
<Para>R2 = S3.</Para>
<Para>"R" stands for "register" and "S" stands for "store."</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.73">
<Para>Click OK.
</Para>
<Graphic Entityref="newfunction2" Id="HCALC.TSKS.fig.5"></Graphic>
</ListItem>
</OrderedList>
</Step>
</Procedure>
<Procedure>
<Title>To Delete a Function</Title>
<Step>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.74">
<Para>Choose Enter Function from the Options menu.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.75">
<Para>Type the function number in the dialog box that appears.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.76">
<Para>Click OK without typing information in the Description or Value
fields.
</Para>
</ListItem>
</OrderedList>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="constantHelp">
<Title>To Add a Constant to the Constants List</Title>
<IndexTerm>
<Primary>constant, add</Primary>
</IndexTerm>
<IndexTerm>
<Primary>add a constant</Primary>
</IndexTerm>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.77">
<Para>Choose Enter Constant from the Options menu.</Para>
<Para>The New Constant dialog box appears.</Para>
<Graphic Entityref="newconstant1" Id="HCALC.TSKS.fig.6"></Graphic>
</ListItem>
<ListItem Id="HCALC.TSKS.item.78">
<Para>Type a number for the constant.</Para>
<Para>To display the number of existing constants, press mouse button 3 on the Constants button in the Calculator. To add a new constant, use
the next available number up to a maximum of 10 (numbered 0 through 9).
To modify an existing constant, type its number.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.79">
<Para>Type a description for the constant in the Description field (up to
a maximum of 40 characters).</Para>
<Para>For example, if you wanted to add the constant for 5!, you might
type "Five factorial" as the description.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.80">
<Para>Type the value for the constant.</Para>
<Para>For 5!, you could type either 120 or 5</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.81">
<Para>4</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.82">
<Para>3</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.83">
<Para>2</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.84">
<Para>1.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.85">
<Para>Click OK.</Para>
<Para>If a constant already exists for the constant number you typed, a
dialog box appears asking whether you want to overwrite the existing
constant. Click Confirm to overwrite; Click Cancel to retain the
existing constant.</Para>
</ListItem>
</OrderedList>
<Graphic Entityref="newconstant2" Id="HCALC.TSKS.fig.7"></Graphic>
</Sect1>
<Sect1 Id="onitem">
<Title>To Get Help on a Specific Key</Title>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.86">
<Para>Choose On Item from the Help menu.</Para>
<Para>The pointer
changes to a ?.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.87">
<Para>Click the &calcname; button for which you want information.
</Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="selectconstant">
<Title>To Select a Constant Value</Title>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.88">
<Para>Click Constants.</Para>
<Para>The word Constants appears in the mode
line.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.89">
<Para>Click a number that represents the constant you want to use.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.90">
<Para>Click Constants with button 3 to
see the active list of constants. There are ten default values:</Para>
<Graphic Entityref="constants" Id="HCALC.TSKS.fig.8"></Graphic>
<Para>You can add your own constant values to the default list. See <Link Type="jump" Linkend="constantHelp">To Add a Constant to the Constants List</Link>.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.91">
<Para>Click the key of the constant number or
type it from the keyboard.</Para>
<Para>The value of the constant appears in the
display and the word Constants disappears.
</Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="mathops">
<Title>To Perform Simple Mathematical Operations</Title>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.92">
<Para>Move the pointer into the Calculator window.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.93">
<Para>Type the first value.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.94">
<Para>Click the button (or type the key) for the mathematical operation you
want to perform:</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.95">
<Para>+ &emdash;&sigspace; Addition
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.96">
<Para>- &emdash;&sigspace; Subtraction
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.97">
<Para>* &emdash;&sigspace; Multiplication
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.98">
<Para>/ &emdash;&sigspace; Division
</Para>
</ListItem>
</ItemizedList>
<Para>The operation indicator appears in the display window after the first
value.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.99">
<Para>Type the second value.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.100">
<Para>Click the = button (or press the = key on the computer keyboard).</Para>
<Para>The answer to the calculation appears in the display window.
</Para>
</ListItem>
</OrderedList>
<Para>See Also</Para>
<Para><XRef Linkend="combops"></Para>
</Sect1>
<Sect1 Id="combops">
<Title>To Perform Combined Operations</Title>
<IndexTerm>
<Primary>combined operations</Primary>
</IndexTerm>
<IndexTerm>
<Primary>precedence, using</Primary>
</IndexTerm>
<IndexTerm>
<Primary>arithmetic precedence</Primary>
</IndexTerm>
<Para>Calculations are performed from left to right, with no arithmetic
precedence &emdash;&sigspace; for example, 2+3*4=20. To establish precedence,
use
parentheses &emdash;&sigspace; for example, 2+(3*4)=14.</Para>
<Procedure>
<Title>Example</Title>
<Step>
<Para>You want to add 47.5 and 22.98, multiply that sum by 5, and the product of
47.5 and 22.98, and divide the total by 5. The precedence for this is
((47.5+22.98)*5+(47.5*22.98))/5=?</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.101">
<Para>Move the pointer into the &calcname; window.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.102">
<Para>Click Clr to clear the display window.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.103">
<Para>Click ( twice or press the ( key twice. A ( appears between the
display window and the mode line.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.104">
<Para>Enter 47.5.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.105">
<Para>Click + or press the + key. Note that the ( stays visible between the
display window and the mode line and the + appears in the display window
following 47.5.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.106">
<Para>Enter 22.98.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.107">
<Para>Click ) or press the ) key.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.108">
<Para>Click &times; &sigspace; or press the</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.109">
<Para>key. A
&sigspace;
&times; &sigspace appears
in the display window after the ).
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.110">
<Para>Enter 5.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.111">
<Para>Click + or press the + key. A + appears in the display window after
the 5.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.112">
<Para>Click ( or press the ( key.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.113">
<Para>Enter 47.5.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.114">
<Para>Click &sigspace; &times; &sigspace; or press the</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.115">
<Para>key. A &sigspace;
&times; &sigspace; appears
in the display window after the 47.5.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.116">
<Para>Enter 22.98.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.117">
<Para>Click ) twice or press the ) key twice. &calcname; performs the
operations within the parentheses and displays the result 1443.95. The (
is no longer visible between the display window and the mode line.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.118">
<Para>Click / or press the / button. A / appears between the display window and
the mode line.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.119">
<Para>Enter 5.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.120">
<Para>Click = or press the = key.</Para>
<Para>The answer, 288.79, appears in the display
window.
</Para>
</ListItem>
</OrderedList>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="reciprocal">
<Title>To Find a Reciprocal</Title>
<IndexTerm>
<Primary>reciprocal</Primary>
</IndexTerm>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.121">
<Para>Move the pointer into the &calcname; window.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.122">
<Para>Type the value for which you want to find the reciprocal.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.123">
<Para>Click 1/x or press r.</Para>
<Para>The answer appears in the display
window.
</Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="sqrt">
<Title>To Find a Square Root</Title>
<IndexTerm>
<Primary>square root</Primary>
</IndexTerm>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.124">
<Para>Move the pointer into the &calcname; window.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.125">
<Para>Type the value for which you want to find the square root.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.126">
<Para>Click Sqrt or press s.</Para>
<Para>The answer appears in the display
window.
</Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="square">
<Title>To Square a Number</Title>
<IndexTerm>
<Primary>square a number</Primary>
</IndexTerm>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.127">
<Para>Move the pointer into the &calcname; window.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.128">
<Para>Type the value you want to square.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.129">
<Para>Click x^2 or press @.</Para>
<Para>The answer appears in the display
window.
</Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="percent">
<Title>To Find a Given Percentage</Title>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.130">
<Para>Move the pointer into the &calcname; window.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.131">
<Para>Type the value from which you want to find a percentage.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.132">
<Para>Click % or press % on your keyboard.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.133">
<Para>Type the percentage you want to find.</Para>
<Para>The answer appears in the display window.
</Para>
</ListItem>
</OrderedList>
</Sect1>
<Sect1 Id="chngsign">
<Title>To Change the Sign of the Displayed Value</Title>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.134">
<Para>Click +/- or press Shift c.</Para>
<Para>The sign changes. Note that + is not
displayed.
</Para>
</ListItem>
</ItemizedList>
</Sect1>
<Sect1 Id="TermTask">
<Title>To Calculate the Number of Payment Periods</Title>
<Para>You can calculate the number of payments of an ordinary annuity
necessary to accumulate a future value with a constant interest rate.
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.135">
<Para>Calculator must be in Financial mode. If the first mode menu button
under the display area reads either Scientific or Logical, press mouse
button 1 on the menu button and choose Financial.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.136">
<Para>Click CLRfregs to clear the financial registers.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.137">
<Para>Type the payment amount and click Pmt.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.138">
<Para>Type the future value amount and click Fv.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.139">
<Para>Type the interest amount and click i%Yr.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.140">
<Para>Type the number of payments per year and click P/YR.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.141">
<Para>Click Term.
</Para>
</ListItem>
</OrderedList>
<Para>The time needed to accumulate the desired future value appears in
the display window.</Para>
<Procedure>
<Title>Example</Title>
<Step>
<Para>Suppose you deposit $2000 into a savings account each June.
At an interest rate of 4.5%, how long will it take for you to have
$25,000 in your account?
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.142">
<Para>Type 2000 and
click +/&minus; (The payment is a debit and therefore should be negative).
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.143">
<Para>Click Pmt.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.144">
<Para>Type 25000 and
click Fv.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.145">
<Para>Type 4.5 and
click i%Yr.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.146">
<Para>Type 1 and
click P/YR
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.147">
<Para>Click Term
</Para>
</ListItem>
</OrderedList>
<Para>The result, 10.14, indicates that it will take slightly more than 10 years
to accumulate $25,000 in the account.</Para>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="intTask">
<Title>To Calculate Periodic Interest Rate</Title>
<Para>You can calculate periodic interest rate.
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.148">
<Para>Calculator must be in Financial mode. If the first mode menu button
under the display area reads either Scientific or Logical, press mouse
button 1 on the menu button and choose Financial.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.149">
<Para>Click CLRfregs to clear the financial registers.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.150">
<Para>Type the amount current invested (the present value) and click Pv.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.151">
<Para>Type the maturity value and click Fv.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.152">
<Para>Type the number of months of the period and click Term.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.153">
<Para>Type the number of payments per year and click P/YR.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.154">
<Para>Click i%Yr.</Para>
<Para>The interest rate appears in the display window.
</Para>
</ListItem>
</OrderedList>
<Note>
<Para>You can increase the accuracy by clicking the Accuracy button and
then clicking the desired decimal precision.
</Para>
</Note>
<Procedure>
<Title>Example</Title>
<Step>
<Para>Suppose you invested $25,000 in a bond. The bond matures in ten years, and
has a maturity value of $60,000. What is the periodic interest rate for
your investment?
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.155">
<Para>Enter 25000 and
click Pv.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.156">
<Para>Enter 60000 and
click Fv.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.157">
<Para>Enter 120 and
click Term.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.158">
<Para>Enter 1 and
click P/YR.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.159">
<Para>Click i%Yr.
</Para>
</ListItem>
</OrderedList>
<Para>The interest rate is 8.79%.</Para>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="PvTask">
<Title>To Calculate the Present Value of an Investment</Title>
<Para>You can calculate the present value of an investment.
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.160">
<Para>Calculator must be in Financial mode. If the first mode menu button
under the display area reads either Scientific or Logical, press mouse
button 1 on the menu button and choose Financial.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.161">
<Para>Click CLRfregs to clear the financial registers.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.162">
<Para>Type the payment amount, click +/&minus;; and click Pmt.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.163">
<Para>Type the yearly compounded interest rate and click i%Yr.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.164">
<Para>Type the term of the investment and click Term.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.165">
<Para>Type the number of payments per year and click P/YR.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.166">
<Para>Click Pv.
</Para>
</ListItem>
</OrderedList>
<Procedure>
<Title>Example</Title>
<Step>
<Para>Assume that you won $1,000,000. You have the option of a lump sum payment
of $400,000 or $50,000 once a year for twenty years. If you select the
latter, you intend to invest the entire amount at a rate of 9% compounded
annually. Which option is worth more in today's dollars?</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.167">
<Para>Type 50000 and
click +/&minus;.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.168">
<Para>Click Pmt.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.169">
<Para>Type 9 and
click i%Yr.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.170">
<Para>Type 20 and
click Term.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.171">
<Para>Type 1 and
click P/YR.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.172">
<Para>Click Pv.
</Para>
</ListItem>
</OrderedList>
<Para>The result is 456427.28, which means that $1,000,000 paid over 20 years in
$50,000 installments is worth $456,427.28 in today's dollars.</Para>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="PmtTask">
<Title>To Calculate the Periodic Payment of a Loan</Title>
<Para>You can calculate the amount of the periodic payment of a loan.
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.173">
<Para>Calculator must be in Financial mode. If the first mode menu button
under the display area reads either Scientific or Logical, press mouse
button 1 on the menu button and choose Financial.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.174">
<Para>Click CLRfregs to clear the financial registers.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.175">
<Para>Type the loan amount, click +/&minus; and click Pv.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.176">
<Para>Type the interest rate and click i%Yr.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.177">
<Para>Type the term of the loan and click Term.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.178">
<Para>Type the number of
payments per year and click P/YR.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.179">
<Para>Click Pmt.
</Para>
</ListItem>
</OrderedList>
<Procedure>
<Title>Example</Title>
<Step>
<Para>You are considering buying a new home. You need to borrow
$120,000 at 11% for thirty years. What is the monthly payment?</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.180">
<Para>Type 120000 and
click +/&minus;.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.181">
<Para>Click Pv.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.182">
<Para>Type 11 and
click i%Yr.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.183">
<Para>Type 360 and
click Term.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.184">
<Para>Type 12 and click P/YR.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.185">
<Para>Click Pmt.
</Para>
</ListItem>
</OrderedList>
<Para>The result, 1142.79, is the amount of your monthly payment.</Para>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="FvTask">
<Title>To Calculate the Future Value of an Investment</Title>
<Para>You can calculate the future value of an investment.
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.186">
<Para>Calculator must be in Financial mode. If the first mode menu button
under the display area reads either Scientific or Logical, press mouse
button 1 on the menu button and choose Financial.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.187">
<Para>Click CLRfregs to clear the financial registers.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.188">
<Para>Type the investment amount, click +/&minus; and click Pmt.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.189">
<Para>Type the interest amount and click i%Yr.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.190">
<Para>Type the term of the investment and click Term.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.191">
<Para>Type the number of payments per year and click P/YR.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.192">
<Para>Click Fv.
</Para>
</ListItem>
</OrderedList>
<Procedure>
<Title>Example</Title>
<Step>
<Para>Suppose you invest $5,000 in a savings account each year for twenty years.
The account pays 8% interest compounded annually. What will the value of
your account be at the end of twenty years?
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.193">
<Para>Enter 5000 and
click +/&minus;.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.194">
<Para>Click Pmt.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.195">
<Para>Enter 8 and
click i%Yr.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.196">
<Para>Enter 20 and
click Term.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.197">
<Para>Enter 1 and
click P/YR.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.198">
<Para>Enter 0 and
click Pv.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.199">
<Para>Click Fv.
</Para>
</ListItem>
</OrderedList>
<Para>The result, 228809.82, is the amount you'll have in your account after
twenty years.</Para>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="CtrmTask">
<Title>To Calculate the Number of Compounding Periods</Title>
<Para>Use Ctrm to calculate the number of compounding periods needed for
an investment of present value to increase to a future value, earning
a fixed interest rate per compounding period.
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.200">
<Para>Calculator must be in Financial mode. If the first mode menu button
under the display area reads either Scientific or Logical, press mouse
button 1 on the menu button and choose Financial.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.201">
<Para>Click CLRfregs to clear the financial registers.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.202">
<Para>Type the payment amount and click Pv.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.203">
<Para>Type the target future value and click Fv.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.204">
<Para>Type the compounding interest rate and click i%Yr.</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.205">
<Para>Click Ctrm.
</Para>
</ListItem>
</OrderedList>
<Procedure>
<Title>Example</Title>
<Step>
<Para>Suppose you deposit
$10,000 in an account that pays 6.5% interest, compounded monthly. You'd
like to know how long it will take for your account to increase to
$20,000.
</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.206">
<Para>Enter 10000 and
click Pv.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.207">
<Para>Enter 20000 and
click Fv.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.208">
<Para>Enter 6.5 and
click i%Yr.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.209">
<Para>Click Ctrm.
</Para>
</ListItem>
</OrderedList>
<Para>The result, 128.31, tells you that it will take 128.31 months, or more than
ten years.</Para>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="DdbTask">
<Title>To Calculate Depreciation Using Double-Declining Balance</Title>
<Para>Use Ddb to calculate the depreciation allowance on an asset for a specified
period of time using the double-declining balance method.</Para>
<Para>Depreciation
functions use the calculator memory registers, not the financial registers.
Certain values must be in
specific memory registers when you use the depreciation functions. For
Ddb, the values and the corresponding
memory registers are:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.210">
<Para>Memory Register 0 - Amount paid for the asset
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.211">
<Para>Memory Register 1 - Salvage value at the end of useful life
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.212">
<Para>Memory Register 2 - Useful life of the asset
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.213">
<Para>Memory Register 3 - Time period for depreciation allowance
</Para>
</ListItem>
</ItemizedList>
<Procedure>
<Title>Example,</Title>
<Step>
<Para>Suppose you bought a new printer for $5000 three years ago. The useful
life of the
printer is ten years, and the salvage value at that time is $500. You'd
like to know the depreciation expense for this year, using the
double-declining balance method.</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.214">
<Para>Type 5000.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.215">
<Para>Click Store and then click 0 to place the amount paid for the printer in
memory register 0.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.216">
<Para>Type 500.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.217">
<Para>Click Store and then click 1 to place the salvage value in memory register
1.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.218">
<Para>Type 10.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.219">
<Para>Click Store and then click 2 to place the useful life in memory register 2.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.220">
<Para>Type 3.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.221">
<Para>Click Store and then click 3 to place the time period (this year) for the
depreciation allowance in memory register 3.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.222">
<Para>Click Ddb.
</Para>
</ListItem>
</OrderedList>
<Para>The result, 640.00, tells you that the depreciation expense for the third
year is $640.00.</Para>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="SlnTask">
<Title>To Calculate Straight-Line Depreciation</Title>
<Para>Use Sln to calculate the straight-line depreciation allowance on an asset for
one period.</Para>
<Para>Depreciation
functions use the calculator memory registers, not the financial registers,
and when using the depreciation functions, certain values must be in
specific memory registers. For Sln, the values and the corresponding
memory registers are:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.223">
<Para>Memory Register 0 - Amount paid for the asset
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.224">
<Para>Memory Register 1 - Salvage value at the end of useful life
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.225">
<Para>Memory Register 2 - Useful life of the asset
</Para>
</ListItem>
</ItemizedList>
<Procedure>
<Title>Example,</Title>
<Step>
<Para>Suppose you bought a new printer for $5000 three years ago. The useful
life of the
printer is ten years, and the salvage value at that time is $500. You'd
like to know the yearly depreciation expense using the
straight-line method.</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.226">
<Para>Type 5000.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.227">
<Para>Click Store and then click 0 to place the amount paid for the printer in
memory register 0.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.228">
<Para>Type 500.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.229">
<Para>Click Store and then click 1 to place the salvage value in memory register
1.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.230">
<Para>Enter 10.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.231">
<Para>Click Store and then click 2 to place the useful life in memory register 2.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.232">
<Para>Click Sln.
</Para>
</ListItem>
</OrderedList>
<Para>The result, 450.00, tells you that the yearly depreciation expense
is $450.00.</Para>
</Step>
</Procedure>
</Sect1>
<Sect1 Id="SydTask">
<Title>To Calculate Sum-of-the-Years'-Digits Depreciation</Title>
<Para>Use Syd to calculate the sum-of-the-year's-digits depreciation.</Para>
<Para>Depreciation
functions use the calculator memory registers, not the financial registers,
and when using the depreciation functions, certain values must be in
specific memory registers. For Syd, the values and the corresponding
memory registers are:
</Para>
<ItemizedList Mark="&bull;" Role="tight">
<ListItem Id="HCALC.TSKS.item.233">
<Para>Memory Register 0 - Amount paid for the asset
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.234">
<Para>Memory Register 1 - Salvage value at the end of useful life
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.235">
<Para>Memory Register 2 - Useful life of the asset
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.236">
<Para>Memory Register 3 - Time period for depreciation allowance
</Para>
</ListItem>
</ItemizedList>
<Procedure>
<Title>Example</Title>
<Step>
<Para>Suppose you bought a new printer for $5000 three years ago. The useful
life of the
printer is ten years, and the salvage value at that time is $500. You'd
like to know the yearly depreciation expense for this year, using the
sum-of-the-years'-digits method.</Para>
<OrderedList Role="tight">
<ListItem Id="HCALC.TSKS.item.237">
<Para>Type 5000.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.238">
<Para>Click Store and then click 0 to place the amount paid for the printer in
memory register 0.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.239">
<Para>Enter 500.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.240">
<Para>Click Store and then click 1 to place the salvage value in memory register
1.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.241">
<Para>Enter 10.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.242">
<Para>Click Store and then click 2 to place the useful life in memory register 2.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.243">
<Para>Enter 3.
</Para>
</ListItem>
<ListItem Id="HCALC.TSKS.item.244">
<Para>Click Syd.
</Para>
</ListItem>
</OrderedList>
<Para>The result, 654.55, tells you that the yearly depreciation expense
for the third year is $654.55.</Para>
</Step>
</Procedure>
</Sect1>
</Chapter>
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