Sharp EL-738 Day and Date Calculations, Variables used in day and date calculations

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M-D-Y 1=[MO]

1- 1-2001

Day and Date Calculations

Using day and date calculations, you can ﬁnd dates and the numbers of days between dates.

Variables used in day and date calculations

Variable	Description	Default value
M-D-Y 1 *1	The ﬁrst date	1-1-2001
M-D-Y 2 *1	The last date	1-1-2001
DAYS	Number of days	0

*1 You can change the date format to D-M-Y (see page 10).

Setting the day-count method

You can toggle between the actual calendar (365 days plus leap years) and a 360-day calendar (12 months of 30 days each) using .&. The actual calendar is set by default (360 is not displayed). The calendar range is from January 1, 1901 to December 31, 2099.

Basic operations

Refer to page 19 for basic variable operations.

1. Press sto clear the display.

• Make sure the calculator is in NORMAL mode.

2. Select day and date calcula- tions by pressing K.

• To end day and date calcula- tions, press s. If you press

sduring entry, any entered values will be cleared.

3.Change the day-count method, using .&, if neces- sary.

4.Enter the values of any two known variables: the ﬁrst date, the last date, or the number of days.

•For date entry, refer to page 47, ”Entering dates”.

5.Move to the variable you wish to calculate, using the z and ikeys, and press @to calculate.

•If the calculator is set to 360-day calendar mode (360 is displayed), it is not possible to obtain either the ﬁrst or last dates, only the number of days.

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Contents EL-738 Page Contents Operational Notes IntroductionKeys Using the .andKey Notations in This Manual Preparing to Use the Calculator Resetting the Calculator In Case of DifﬁcultyResetting the calculator Key operation keys Calculator and Display LayoutCalculator layout 2ndF Display layoutSelecting the display notation and number of decimal places SET UP Menu0003 3333333000 Selecting the angular unit seeOperations available in each mode Selecting a modeOperating Modes Selecting the date format see343 140009000 Basic CalculationsDelete key ⋅ ⋅Memory clear key Editing and Correcting an EntryCursor keys Playback functionMemory use in each mode for memory calculations Errors500 192Independent memory M Temporary memories A-H, X-ZLast answer memory ANS TVM variablesExample Key operation Statistical variablesMemory calculations Financial calculations General InformationVariables shared among calculations Variables used in ﬁnancial calculationsListed ﬁnancial variables Basic variable operationsTVM variables N, I/Y, PV, PMT, FV Category Display symbols Descriptions ENT and Comp symbolsCompound interest Cash ﬂow diagramsVariable Corresponding Description Default Variable key Setting the payment period payment dueTVM Time Value of Money Solver Variables used in the TVM solverCalculating basic loan interest Basic examples for the TVM solver24000 12005600000 440008000 400125586 Calculating basic loan payments20000 3600FV= Calculating future value2000 1001000000 376889Ordinary annuity END Specifying payments dueAnnuity due BGN Ordinary annuity30000000 1800360 162457029950 240014500 299500150000 3400627995 Calculating down payment and amount to borrow90000 30000550 14655892Variables used in amortization Variable Description Default valueAmortization Calculations 8895148 61656203428 104852600 17004800 38445748275524 1724476Entering cash ﬂow data Discounted Cash Flow AnalysisSingle cash ﬂows Repeated cash ﬂows200 000*2300 Conﬁrming and editing dataEditing data 2500000Deleting data Inserting data600000 3000000Variables used in discounted cash ﬂow analysis NPV and IRRPlay in Normal mode Procedure Key operation Display Bring up the initial disTo obtain NPV To obtain IRRCalculating the present value of variable cash ﬂows 2314662752 Variables used in bond calculations Setting the day-count methodBond Calculations To obtain yield to maturity Yield I/Y To obtain bond price Price PV10000 65015-2023 720Entering dates 9250728 Depreciation Calculations Setting the depreciation methodVariables used in depreciation calculations Key operation DescriptionPage Calculating straight-line depreciation 30005000000 Conversion between APR and EFF 1956To change APR to EFF To change EFF to APRVariables used in day and date calculations Day and Date Calculations22800 10-2009Calculating number of days Answer 228 daysCalculate Procedure Key operation Display Move to the last datePercent Change/Compound Interest Cal- culations 11600000 75000005467 800000113 980000Cost/Sell/Margin/Markup Calculations Variables used in cost/sell/margin/markup calcula- tions9500 4556088842 Determining selling priceCalculating the breakeven point Breakeven CalculationsVariables used in breakeven calculations 7580 150000012000 33937Chain Calculations Constant Calculations071 0875000 4500Random numbers Random FunctionsRandom dice Random coinRandom integer 532Modify Function For a single-variable data set Entering statistical dataFor a two-variable data set x value y value J Key operation Sub-mode DisplayEntering statistical data 1000 2000 Single-variable statistical calculations Statistical Calculations and VariablesLinear regression calculations Quadratic regression calculationVariables Content Single-variable statistical calculation 5300017857 Linear regression calculation Quadratic regression calculation TVM solver Financial Calculation FormulasAmortization calculations Discounted cash ﬂow analysisBond calculations Day and date calculations Depreciation calculationsConversion between APR and EFF Breakeven calculations Statistical Calcula- tion FormulasCost/Sell/Margin/Markup calculations Error codes and error types Errors and Calculation RangesSyntax error Error Calculation error ErrorNo solution Error Equation too long ErrorDisplay error Error Input value error ErrorFunction Calculation range Calculation ranges of functionsInteger When to replace the battery Battery ReplacementPriority Levels in Calculations Replacement procedureAutomatic power-off function Key operation and calculation priority SpeciﬁcationsFor more information about business/ ﬁnancial calculators Index Formulas, 72-75 FV, 18, 22, 72 GRAD, 8, 9, 61 Memo