Quadratic regression calculation | Sharp EL-738 specification

3 Quadratic regression calculation

Example

Key operation

Result

				m12								Stat 2
		DATA		m12									000
		DATA

		x	y
	12		41	12		>		41		J		DATA SET=100
	8		13	8	>		13		J			DATA SET=200
	5		2	5	>		2	J				DATA SET=300
	23		200	23		>		200			J	DATA SET=400
	15		71	15		>		71		J		DATA SET=500
				fa								a=	536
		a =										a=
		a =
		b =		fb								b=	-312
		c =		fa								c=	050
x = 10			y´ = ? 10			.?						10y´	2449
y = 22			x´ = ? 22			.9						≈¡=	963
												≈¡=	963
				@								≈™=	-343
												≈™=	-343
				@								≈¡=	963
												≈¡=	963

Page 72

Image 72

Sharp EL-738 operation manual Quadratic regression calculation

Contents

EL-738 Page Contents Introduction Operational Notes Using the .and Key Notations in This ManualKeys Resetting the Calculator In Case of Difﬁculty Resetting the calculatorPreparing to Use the Calculator Calculator and Display Layout Calculator layoutKey operation keys Display layout 2ndF SET UP Menu Selecting the display notation and number of decimal places 3333333 0003000 Selecting the angular unit see Selecting a mode Operations available in each modeOperating Modes Selecting the date format see 14000 3439000 Basic Calculations ⋅ ⋅ Delete key Editing and Correcting an Entry Memory clear keyCursor keys Playback function Errors Memory use in each mode for memory calculations500 192 Temporary memories A-H, X-Z Independent memory MLast answer memory ANS TVM variables Statistical variables Memory calculationsExample Key operation General Information Financial calculations Variables used in ﬁnancial calculations Variables shared among calculations Basic variable operations TVM variables N, I/Y, PV, PMT, FVListed ﬁnancial variables ENT and Comp symbols Category Display symbols Descriptions Cash ﬂow diagrams Compound interest Setting the payment period payment due Variable Corresponding Description Default Variable keyTVM Time Value of Money Solver Variables used in the TVM solver Basic examples for the TVM solver Calculating basic loan interest 1200 240005600000 44000 400 8000125586 Calculating basic loan payments 3600 20000FV= Calculating future value 100 20001000000 376889 Specifying payments due Ordinary annuity ENDAnnuity due BGN Ordinary annuity 1800 30000000360 1624570 2400 2995014500 299500 3400 150000627995 Calculating down payment and amount to borrow 30000 90000550 14655892 Variable Description Default value Amortization CalculationsVariables used in amortization 61656 8895148 104852 203428600 1700 384457 480048275524 1724476 Discounted Cash Flow Analysis Entering cash ﬂow dataSingle cash ﬂows Repeated cash ﬂows 000*2 200300 Conﬁrming and editing data 2500000 Editing dataDeleting data Inserting data 3000000 600000Variables used in discounted cash ﬂow analysis NPV and IRR Procedure Key operation Display Bring up the initial dis Play in Normal modeTo obtain NPV To obtain IRR 2314 Calculating the present value of variable cash ﬂows 662752 Setting the day-count method Bond CalculationsVariables used in bond calculations To obtain bond price Price PV To obtain yield to maturity Yield I/Y 650 1000015-2023 720 9250 728Entering dates Setting the depreciation method Depreciation CalculationsVariables used in depreciation calculations Key operation DescriptionPage 3000 5000000Calculating straight-line depreciation 1956 Conversion between APR and EFFTo change APR to EFF To change EFF to APR Day and Date Calculations Variables used in day and date calculations 10-2009 22800Calculating number of days Answer 228 days Procedure Key operation Display Move to the last date Percent Change/Compound Interest Cal- culationsCalculate 7500000 116000005467 800000 980000 113Cost/Sell/Margin/Markup Calculations Variables used in cost/sell/margin/markup calcula- tions 45560 950088842 Determining selling price Breakeven Calculations Variables used in breakeven calculationsCalculating the breakeven point 1500000 758012000 33937 Constant Calculations Chain Calculations 087 0715000 4500 Random Functions Random numbersRandom dice Random coin 532 Modify FunctionRandom integer Entering statistical data For a single-variable data setFor a two-variable data set x value y value J Key operation Sub-mode Display Entering statistical data 1000 2000 Statistical Calculations and Variables Single-variable statistical calculationsLinear regression calculations Quadratic regression calculation Variables Content 53000 17857Single-variable statistical calculation Linear regression calculation Quadratic regression calculation Financial Calculation Formulas TVM solverAmortization calculations Discounted cash ﬂow analysis Bond calculations Depreciation calculations Conversion between APR and EFFDay and date calculations Statistical Calcula- tion Formulas Cost/Sell/Margin/Markup calculationsBreakeven calculations Errors and Calculation Ranges Error codes and error typesSyntax error Error Calculation error Error Equation too long Error No solution ErrorDisplay error Error Input value error Error Calculation ranges of functions Function Calculation range Integer Battery Replacement When to replace the battery Replacement procedure Automatic power-off functionPriority Levels in Calculations Speciﬁcations For more information about business/ ﬁnancial calculatorsKey operation and calculation priority Index Formulas, 72-75 FV, 18, 22, 72 GRAD, 8, 9, 61 Memo