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Sharp EL-5250, EL-5230 operation manual

Models: EL-5230 EL-5250

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Contents

OPERATION MANUAL EL-5230 EL-5250PROGRAMMABLE SCIENTIFIC CALCULATOR Page Before You Get Started Programmable Scientific CalculatorIntroduction General InformationChapter 1 Before You Get Started ContentsIntroduction Chapter 2 General InformationChapter 3 Scientific Calculations Binary, Pental, Octal, Decimal and Hexadecimal Operations N-baseChapter 6 Complex Number Calculations Chapter 4 Statistical CalculationsChapter 5 Equation Solvers Chapter 7 ProgrammingSome like it hot Celsius-Fahrenheit conversion Chapter 8 Application ExamplesPurchasing with payment in n-month installments How many digits can you remember?Appendix Introduction Operational Notes πRŒ˚-10 NORMAL MODEKey Notation in This Manual ExamplePage Chapter Resetting the calculatorBefore You Get Started Preparing to Use the CalculatorThe Hard Case Calculator Layout and Display Symbols Calculator layout2ndF DisplayBUSY xy /r θOperating Modes Selecting a modeWhat you can do in each mode MODE-1 ƒNORMAL ⁄STAT ¤PROG ‹EQNTurning the calculator on and off A Quick Tour8Œ‰3-7˚-10.5 Entering and solving an expression8Œ‰3-7˚-10.5= 110.4504172Editing an expression 110.4504172 8Œ‰3-7˚-10.5 8Œ‰3-7˚-10.5 =0. 2„ÒR NORMAL MODE 0. π NORMAL MODE 0. πRŒUsing variables NORMAL MODEπRŒ= 201.0619298 NORMAL MODEUsing simulation calculations ALGB 1ı3πRŒH1ı3πRŒH H=8 1ı3πRŒH= 670.20643281ı3πRŒH R=z 1ı3πRŒH= 678.5840132 V=1ı3πRŒH H=z V=1ı3πRŒH V=z678.5840132 V=1ı3πRŒH H=z Using the solver functionAnsÒV 678.5840132 AnsÒV 678.5840132 V=1ı3πRŒH ExampleR¬ 678.5840132 L¬ Other features10.125 Clearing the Entry and Memories ¤STAT ‹RESETGeneral Information Memory clear key123456 Overwrite mode and insert modeEditing and Correcting an Equation Cursor keys3˚5+3˚2= 3˚5+3˚2= 21. 3˚5+3˚23˚5+3˚2= 21. 3˚5+2 3˚5+3˚2= 35+2 Delete keySetting the floating point numbers system in scientific notation The SET UP menuSET UP ƒDRG ⁄FSE ¤ Determination of the angular unitUsing global variables Using MemoriesUsing alphabetic characters 0. 6ÒA¬ƒA¡ Using local variables6. A= 1.25E-5ÒA1 0.00001251ıA¡-1000A= Using variables in an equation or a program0.0000125 A1= ¬ƒA¡5Ans= 141.3716694 Using the last answer memory3Œπ= 28.27433388 Global variable MA-L, N-Z Using memory in each modeMode NORMAL MODE z ALL DATA z z CLEARED! z z zResetting the calculator zALL DATA CL?z z YES¬DEL z z NO¬ENTERzArithmetic operations NORMAL modeScientific Calculations ChapterFunctions Constant calculationsjH$1.5 + ⁄ipart Math menu Functionsƒabs ¤intResult FunctionKey operations 24∂ΩsecDifferential/Integral Functions Differential functionKey operations Integral functionExample ResultWhen performing integral calculations Random dice Random FunctionRandom numbers Random coinExample Angular Unit ConversionsChain Calculations Key operations4.641588834 Fraction Calculations4.833333333 0∂31∂1.5∂Binary, Pental, Octal, Decimal, and Hexadecimal Operations N-base 11001.b Time, Decimal and Sexagesimal Calculations x = Coordinate Conversionsr = y =Calculations Using Physical Constants λc, p Key operationsResult λc, n10 @j5e Calculations Using Engineering Prefixes100 @j6k PrefixModify Function Entering and solving an equation Solver FunctionTŒ=4πGMR Changing the value of variables and editing an equationA˚B=C˚D A˚B=C˚DA˚B=C˚D D=z A˚B=C˚DCALCULATION ERRORImportant notes A˚B=C˚DChanging a value of variables and editing an expression Simulation Calculation ALGBEntering an expression for simulation calculation πRŒH= 785.3981634Simulate an equation for different values BCsinA2BCsinA2 B=z BCsinA2 C=5 BCsinA2= 7.5 BCsinA2BCsinA2= 2BCsinA2 B=zBCsinA2= 7.071067812 Chapter 3 Scientific CalculationsSAVERING Filing EquationsEQTN FILE ƒLOAD ⁄SAVE ¤DEL SAVETITLE? Saving an equationTITLERING DELETE¬DEL QUIT¬ENTER Loading and deleting an equationDEL ¬º⁄RING º¤AREA-3 º‹CIRCUIT Page Inverse regression calculation Statistical CalculationsChapter Single-variable statistical calculation Linear regression calculationData entry Data Entry and CorrectionQuadratic regression calculation Data correction30 d d d ExampleΣx 2 - nx Statistical Calculation Formulasσx = sx =Standardization conversion formula Normal Probability CalculationsValues for Pt, Qt, and Rt are given to six decimal places Chapter 4 Statistical Calculationsx = 60 →Pt ? Statistical Calculations Examples⋅10+50= t = -0.5 →Rt ?x=3 → y=? Key operationsResult a1x + b1y = c1 a2x + b2y = c2 Equation SolversSimultaneous Linear Equations D = D =x+ y- z = Z= D=x= 3.238095238 y=-1.638095238 x = ?Example Quadratic and Cubic Equation SolversX¤-6.333333333 X⁄-1.233600307 X¤ 0.216800153 +1.043018296i ExampleChapter Complex Number CalculationsComplex Number Entry +5.i Entering the PROG mode PROG modePROGRAM MODE ƒRUN ⁄NEW ¤EDIT ‹DEL Selecting the NORMAL program mode or the NBASE program modeTITLE? NORMAL Creating a NEW ProgramMODE ƒNORMAL ⁄NBASEExample Use of variablesSLOPE NORMAL Y=M¡X+5 SLOPE NORMAL M¡=? 2. Entering the program Input and display commands Programming CommandsCOMMAND-1 ƒPrint ⁄Print ¤Input ‹Wait Indicates the line is a remark Flow control GosubEqualities and inequalities STAT xy Statistical CommandsSTAT DataEditing a Program Error Messages ERROR LBL DUPLICATE BREAKDEL ¬º⁄AREA º¤TEMP º‹STAT TITLEAREA DELETE¬DEL QUIT¬ENTER PROGRAM MODE ƒRUN ⁄NEW ¤EDIT ‹DELDeleting Programs Some like it hot Celsius-Fahrenheit conversion Application ExamplesProgramming Examples TEMP NORMAL PROGRAM?PROGRAM MODE ƒRUN ⁄NEW ¤EDIT ‹DEL Running the programThe Heron Formula A + B + C T =Example SIDE LENGTHSHERON NORMAL ResultNBASE NBASE PROGRAM? 2B or not 2B N-base conversionRunning the program Program codeKey operations Example T testx - m t = sx2 Running the program Program codeKey operations Result2X 1-X 2Y 2-Y 3 - X 2-X 3Y 1-Y A circle that passes through 3 pointsX 1 2+Y 1 2-X 2 2-Y 2 2Y 2-Y 3 - X 2 2+Y 2 2-X 3 2-Y 3 2Y 1-Y X 1 2+Y 1 2-X 2 2-Y 2 2X 2-X 3 - X 2 2+Y 2 2-X 3 2-Y 3 2X 1-XExample Program codeKey operations ResultExample Radioactive decayDECAY NORMAL PROGRAM? Mº=? DECAY NORMALORIGINAL MASS T= YEARSDelta-Y impedance circuit transformation Program code Key operationsProgram code 1DELTA TO Y2Y TO DELTA Key operationssin A + B Obtaining tensions of strings= -- = A, B angles that strings make from perpendicular lines DMSResults 21.96623.761 T= Example1 - 1 + i -n Purchasing with payment in n-month installmentsn n-month installment P price of the productPrint S PRICEPAYBYMNNORMAL i 0 S eKey operations Digital diceProgram code Running the programHow many digits can you remember? Program code Key operationsRunning the program Program codeKey operations 86164.09 86164.09 AnsÒT 8.616 Calculation Examples23∂56∂4.09∂Ωse Geosynchronous orbitsTwinkle, twinkle, little star Apparent magnitude of stars 4.2177.424 TŒ=4πŒGM˚ R„ R=zExample 1Î0.4˚4.8-2. 89=4.8-log0.0003 0.4= ResultExample DATA SET= 3. 7.95,108DATA DATA SET= DATA SET= 4. Í≈= 13254.15Memory calculations ResultThe state lottery 50Ç6= 1589070015890700. 35∏5= 38955840 ExampleWhen to replace the batteries Battery ReplacementNotes on battery replacement AppendixReplacement procedure Cautionsz YES¬DEL z Automatic power off functionzALL DATA CL?z z NO¬ENTERzOPTION ƒCTRST ⁄M.CHK The OPTION menu¤DELETE LCD CONTRAST + DARK ¬LIGHT The OPTION displayDELETE ƒEQTN ⁄PROG If an Abnormal Condition OccursDeleting equation files and programs Error message Error MessagesError no Solution‘Dead end’ approximations Using the Solver Function EffectivelyNewton’s method Range of expected valuesChanging the range of expected values RANGEabCalculation accuracy Solving y = x3 - 3x2 + x + 5 for y = Equations that are difficult to solveSolving y = sin x for y = Technical Data Calculation rangesx, y → r, θ Dynamic range Memory usageFunction VariablesPriority levels in calculations Filing Equation functionsSpecifications For More Information about Scientific Calculators In EuropePRINTED IN CHINA / IMPRIMÉ EN CHINE / IMPRESO EN CHINA SHARP CORPORATION04LGK TINSE0796EHZZ