Sharp EL-520V User's Manual
Contents
1. SHARP ENGLISH SCIENTIFIC CALCULATOR move EL 520V OPERATION MANUAL PRINTED IN CHINA IMPRIME EN CHINE OOLUP TINSK0435EHZZ INTRODUCTION About operation examples please refer to the attached sheet Refer to the number on the right of each title for use After reading this manual store it in a convenient location for future reference Operational Notes To ensure trouble free operation please observe the following points 1 Do not carry the calculator in the back pocket of slacks or trousers Do not subject the calculator to extreme temperatures Do not drop it or apply excessive force Clean only with a soft dry cloth Do not use or store the calculator where fluids can splash onto it Press the RESET switch only in the following cases When using for the first time After replacing the batteries To clear all memory contents When an abnormal condition occurs and all keys are inopera tive If service should be required on this calculator use only a SHARP servicing dealer SHARP approved service facility or SHARP re pair service where available eakwn Hard Case D DISPLAY XYP 2ndF HYPALPHA FIXSCIENG DEGRAD EIl Equation gt aMAtCOSE eG er Uy te 4Sb WG Mantissa Exponent During actual use not all symbols are displayed at the same time If the value of mantissa does not fit within the range 0 000000001 9999999999 the display changes to sc2. 2ndF fawon To generate the next random number press _ _ You can perform this function in the normal and statistics modes You cannot perform this function while you are using the N Base function Random numbers use memory Y Each random number is gen erated on the basis of the value stored in memory Y pseudo random number series Angular Unit Conversions 6 Each time are pressed the angular unit changes in sequence Memory Calculations 7 This calculator has 6 temporary memories A D X and Y one independent memory M and one last answer memory ANS Mode ANS M A D X Y Normal O O O Complex O O x Statistic O x x O Available x Unavailable Temporary memories A D X and Y A stored value can be recalled as a value or variable for the use in equations Incase you store an infinite decimal in the memory recall it as a variable to obtain accurate answers Ex 1 C 3 0 3333 is stored to Y 3Cx het CY C 0 999999999 3 x 2ndF ara _Y_ C 1 Independent memory M In addition to all the features of temporary memories a value can be added to or subtracted from an existing memory value Last answer memory ANS The calculation result obtained by pressing _ _ or any other calculation ending instruction is automatically stored in the last answer memory Note Calculation results from the functions indicated below are auto matically stored in memories X o
3. Y y P xy P r8 4 r a j o 0 x Rectangular coord Polar coord e The calculation result is automatically stored in memories X and Y Value of r or x X memory Value of 8 or y Y memory Modify Function 13 In this calculator all calculation results are internally obtained in scientific notation with up to 12 digits for the mantissa However since calculation results are displayed in the form designated by the display notation and the number of decimal places indicated the internal calculation result may differ from that shown in the display By using the modify function the internal value is con verted to match that of the display so that the displayed value can be used without change in subsequent operations COMPLEX NUMBER CALCULATIONS 14 To carry out addition subtraction multiplication and division using com plex numbers press to select the complex number mode There are two modes of expression of the results of complex number calculations Rectangular coordinate mode xy appears on the display Polar coordinate mode r8 appears on the display Complex number entry Rectangular coordinates x coordinate y coordinate _i_ or x coordinate Ci y coordinate Polar coordinates r J r absolute value 8 argument Upon changing to another mode the imaginary portion of any complex number stored in the independent memory M will be cleared A complex number expressed in rectangula
4. b and subintervals n If a numerical value is not specified for subintervals calculation will be performed using n 100 Since differential and integral calculations are performed based on the following equations correct results may not be obtained in certain rare cases when performing special calculations which contain discontinuous points Integral calculation Simpson s rule S F hf f a 4 f arh F a 3h Basa f a N 1 h ips b a N 2 f a 2h f a 4h f a N 2 h f b eae b Differential calculation 4 aig flor F Le F fo dx When performing integral calculations Integral calculations depending on the integrands and subintervals included require longer calculation time During calculation Calculating will be displayed To cancel cal culation press on c In addition please note that there will be greater integral errors when there are large fluctuations in the integral val ues during minute shifting of the integral range and for periodic functions etc where positive and negative integral values exist depending on the interval For the former case divide integral intervals as small as possible For the latter case separate the positive and negative values Following these tips will allow results of cal culations with greater accuracy and will also shorten the calculation time Random Numbers A pseudo random number with three significant digits can be gen erated by pressing
5. the same data Two variable data frequency To enter multiples of the same data x and y Data Correction Correction prior to pressing DATA Delete incorrect data with on c Correction after pressing DATA Press gt to confirm the latest entry and press to delete it Statistical Calculation Formulas 18 Refer also to the operation examples sheet Type Regression formula Linear y a bx Exponential y arte Logarithmic yeatbelnx Power y aex 1 Inverse y a b Quadratic y atbxt cx n the statistical calculation formulas an error will occur when the absolute value of the intermediate result or calculation result is equal to or greater than 1 x 101 the denominator is zero anattempt is made to take the square root of a negative number no solution exists in the quadratic regression calculation ERROR AND CALCULATION RANGES Errors An error will occur if an operation exceeds the calculation ranges or if a mathematically illegal operation is attempted When an error occurs pressing C lt or C gt automatically moves the cursor back to the place in the equation where the error occurred Edit the equation or press to clear the equation Error Codes and Error Types Syntax error Error 1 An attempt was made to perform an invalid operation Ex 2 2ndF re Calculation error Error 2 The absolute value of an intermediate or final cal
6. culation result equals or exceeds 10 An attempt was made to divide by 0 The calculation ranges were exceeded while performing calculations Depth error Error 3 The available number of buffers was exceeded There are 8 buffers for numeric values and 16 buffers for calculation instructions 4 buffers in STAT and the complex number mode Equation too long Error 4 The equation exceeded its maximum input buffer 142 characters An equation must be shorter than 142 characters Calculation Ranges 19 Refer also to the operation examples sheet e Within the ranges specified this calculator is accurate to 1 in the least significant digit of the mantissa When performing con tinuous calculations including chain calculations errors accu mulate leading to reduced accuracy e Calculation ranges 10 9 999999999x10 and 0 If the absolute value of an entry or a final or intermediate result of a calculation is less than 10 the value is considered to be 0 in calculations and in the display BATTERY REPLACEMENT Notes on Battery Replacement Improper handling of batteries can cause electrolyte leakage or explosion Be sure to observe the following handling rules Replace both batteries at the same time Do not mix new and old batteries Make sure the new batteries are the correct type When installing orient each battery properly as indicated in the calculator When to Replace the Batte
7. ernal calculations Pending operations Power source 3V DC Backup batteries Alkaline batteries LR44 x 2 Operating temperature External dimensions 0 C 40 C 32 F 104 F 78 6 mm W x 152 mm D x 10 5 mm H 3 3 32 W x 5 31 32 D x 13 32 H Approx 78 g 0 172 Ib Including batteries Batteries x 2 installed operation manual operation examples sheet quick reference card and hard case Weight Accessories FOR MORE INFORMATION ABOUT THIS CALCULATOR Visit our Web site http sharp world com calculator
8. ge above the key require to be pressed first before the key Numbers are not shown as keys but as ordinary numbers Power On and Off Press to turn the calculator on and to turn it off Clearing Methods There are three clearing methods as follows Clearing Entry M A D X Y operation Display STAT ANS O x T O x O RESET O O O Clear x Retain 1 Independent memory M 2 Temporary memories A D X and Y statistical data and last an swer memory Editing the Equation Press lt 4 or CP to move the cursor You can also return to the equation after getting an answer by pressing gt C See below for Multi line playback function If you need to delete a number move the cursor to the number you wish to delete then press DEL The number under the cursor will be deleted e If you need to insert a number move the cursor to the place immediately after where you wish to insert the number then enter the number Multi line Playback function 1 This calculator is equipped with a function to recall previous equa tions Equations also include calculation ending instructions such as and a maximum of 142 characters can be stored in memory When the memory is full stored equations are deleted in the order of the oldest first Pressing _ amp _ will display the previous equation and the answer Further pressing 4 will display preceding equa tions after returning to the previous equation press _w_ to vie
9. ientific notation The display mode can be changed according to the purpose of the calculation lt gt Appears when the entire equation cannot be displayed Press ICP to see the remaining hidden section xylr Indicates the mode of expression of results in the com plex calculation mode 2ndF Appears when is pressed indicating that the func tions shown in orange are enabled HYP Indicates that has been pressed and the hyperbolic functions are enabled If are pressed the symbols 2ndF HYP appear indicating that inverse hy perbolic functions are enabled ALPHA Indicates that 2ndF ara or STO RCL has been pressed and entry recall of memory contents and recall of statistics can be performed FIX SCI ENG Indicates the notation used to display a value and changes each time are pressed DEG RAD GRAD Indicates angular units and changes each time is pressed Appears when statistics mode is selected M Indicates that a numerical value is stored in the inde pendent memory Appears when the calculator shows the angle as a result in the complex calculation mode i Indicates an imaginary number is being displayed in the complex calculation mode BEFORE USING THE CALCULATOR Key Notation Used in this Manual In this manual key operations are described as follows e xg To specify e To specify E HEX E To specify In To specify X Functions that are printed in oran
10. manner For multiplication the multiplicand becomes a constant When performing calculations using constants constants will be displayed as K Functions 4 e Refer to operation examples of each function Before starting calculation specify the angular unit The results of inverse trigonometric functions are displayed within the following range 0 cos x 0 lt 6 lt 180 0 sin x 0 tan x 90 lt 0 lt 90 T T 9 SO S 5 O lt O0 lt t 100 lt 0 lt 100 0 lt 0 lt 200 Differential Integral Functions 5 Differential and integral calculations are only available in the normal mode For calculation conditions such as the x value in differential calculation or the initial point in integral calculation only numerical values can be entered and equations such as 2 cannot be speci fied It is possible to reuse the same equation over and over again and to recalculate by only changing the conditions without re enter ing the equation When performing a calculation the value stored in the X memory will be cleared e When performing a differential calculation enter formula first and then enter x value in differential calculation and minute interval dx If a numerical value is not specified for minute interval x40 will be xx10 and x 0 will be 10 from the value of the numeric derivative When performing a integral calculation enter formula first and then enter a range of integral a
11. or a given y Since the calculator converts each formula into a linear regression formula before actual calculation takes place it obtains all statistics except coefficients a and b from converted data rather than entered data Quadratic regression calculation 17 Statistics of and and coefficients a b c in the quadratic regression formula y a bx cx For quadratic regression calculations no correlation coefficient r can be obtained When there are two x values press 2ndF When performing calculations using a b and c only one numeric value can be held X Mean of samples x data SX Sample standard deviation x data ox Population standard deviation x data n Number of samples x Sum of samples x data De Sum of squares of samples x data y Means of samples y data sy Sample standard deviation y data oy Population standard deviation y data Ey Sum of samples y data zy Sum of squares of samples y data xy Sum of products of samples x y Correlation coefficient Coefficient of regression equation Coefficient of regression equation Coefficient of quadratic regression equation as ayy Entered data are kept in memory until 2ndF ca or 2ndF MODE 2_ are pressed Before entering new data clear the memory contents Data Entry Single variable data Data Data frequency To enter multiples of
12. r Y For this reason when using these functions be careful with the use of memories X and Y Random numbers Y memory TO OXY E X memory Y memory Temporary memories and last answer memory are cleared even when the same mode is reselected Chain Calculations 8 This calculator allows the previous calculation result to be used in the following calculation The previous calculation result will not be recalled after entering multiple instructions Fraction Calculations 9 This calculator performs arithmetic operations and memory calcu lations using a fraction and conversion between a decimal number and a fraction In all cases a total of up to 10 digits including integer numera tor denominator and the symbol F can be entered If the number of digits to be displayed is greater than 10 the number is converted to and displayed as a decimal number A decimal number variable or exponent cannot be used in a fraction Binary Octal Decimal and Hexadecimal Operations N Base 10 This calculator can perform conversions between numbers ex pressed in binary octal decimal and hexadecimal systems It can also perform the four basic arithmetic operations calculations with parentheses and memory calculations using binary octal decimal and hexadecimal numbers In addition the calculator can carry out the logical operations AND OR NOT NEG XOR and XNOR on binary octal and hexadecimal numbe
13. r coordinates with the y value equal to zero or expressed in polar coordinates with the angle equal to zero is treated as a real number STATISTICAL CALCULATIONS Statistical calculations are performed in the statistics mode Press to select the statistics mode This calculator per forms the seven statistical calculations indicated below After se lecting the statistics mode select the desired sub mode by press ing the number key corresponding to your choice When changing to the statistical sub mode press the correspond ing number key after performing the operation to select the statis tics mode press Caj Co STAT 0 Single variable statistics STAT 1 Linear regression calculation STAT 2 Quadratic regression calculation STAT 3 Exponential regression calculation STAT 4 Logarithmic regression calculation STAT 5 Power regression calculation Ce STAT 6 Inverse regression calculation The following statistics can be obtained for each statistical calcula tion refer to the table below Single variable statistical calculation 15 Statistics of Linear regression calculation 16 Statistics of and and in addition estimate of y for a given x estimate y and estimate of x for a given y estimate x Exponential regression Logarithmic regression Power regression and Inverse regression calculation Statistics of and In addition estimate of y for a given x and estimate of x f
14. ries If the display has poor contrast or nothing appears on the display even when is pressed in dim lighting it is time to replace the batteries Caution Keep batteries out of the reach of children Exhausted batteries left in the calculator may leak and damage the calculator e Explosion risk may be caused by incorrect handling Batteries must be replaced only with others of the same type Do not throw batteries into a fire as they may explode Replacement Procedure 1 Turn the power off by pressing OFF Remove two screws Fig 1 Slide the battery cover slightly and lift it to remove Remove the used batteries by prying them with a ball point pen or other similar pointed device Fig 2 Install two new batteries Make sure the side facing up Replace the cover and screws Press the RESET switch on the back Make sure that the display appears as shown below If the display does not appear as shown remove the batteries reinstall them and check the display once again AON eNO Fig 2 Automatic Power Off Function This calculator will turn itself off to save battery power if no key is pressed for approximately 10 minutes SPECIFICATIONS Calculations Scientific calculations complex number calculations statistical calculations etc Mantissas of up to 12 digits 16 calculations 8 numeric values 4 numeric values in STAT and complex number mode Built in solar cells Int
15. rs Conversion to each system is performed by the following keys 2ndF 8 Converts to the binary system h appears 2ndF gt 0c7 Converts to the octal system Q appears 2ndF HEX Converts to the hexadecimal system H appears 2ndF DEC Converts to the decimal system h a and H disappear from the display Conversion is performed on the displayed value when these keys are pressed Note In this calculator the hexadecimal numbers A F are entered a A B c D F by pressing Jax Ce Cog in_ and PRG and displayed as follows A gt f B gt 4 C gt f Do d E gt f Fof In the binary octal and hexadecimal systems fractional parts can not be entered When a decimal number having a fractional part is converted into a binary octal or hexadecimal number the fractional part will be truncated Likewise when the result of a binary octal or hexadecimal calculation includes a fractional part the fractional part will be truncated In the binary octal and hexadecimal systems negative numbers are displayed as a complement Time Decimal and Sexagesimal Calculations 11 Conversion between decimal and sexagesimal numbers can be performed In addition the four basic arithmetic operations and memory calculations can be carried out using the sexagesimal system Coordinate Conversions 12 Before performing a calculation select the angular unit
16. s statistical data and last answer memory will be cleared even when reselecting the same mode Selecting the Display Notation and Decimal Places The calculator has four display notation systems for displaying calculation results When FIX SCI or ENG symbol is displayed the number of decimal places can be set to any value between 0 and 9 Displayed values will be reduced to the corresponding number of digits 100000 3 Floating point FlXed decimal point ene 1000000 3C _ 33333 33333 33333 33333 TAB set to 2 2 33333 33 SClentific notation 3 33x10 ENGineering notation 33 33x10 Floating point 33333 33333 e If the value for floating point system does not fit in the following range the calculator will display the result using scientific notation system 0 000000001 lt x lt 9999999999 Determination of the Angular Unit In this calculator the following three angular units can be speci fied DEG ge GRAD g RAD Radians NCE SCIENTIFIC CALCULATIONS e Press Co to select the normal mode In each example press to clear the display And if the FIX SCI or ENG indicator is displayed clear the indicator by press ing ndF CFSE Arithmetic Operations 2 e The closing parenthesis just before _ or may be omitted Constant Calculations 3 In the constant calculations the addend becomes a constant Subtraction and division are performed in the same
17. w equations in order In addition 2ndF _a_ can be used to jump to the oldest equation The multi line memory is cleared by the following operations 2ndF Cea including the Automatic Power Off fea ture mode change RESET 2ndF fawon 2ndF ANS constant calculation differential integral calculation angle conversion change N base conversion coordinate conversion numerical value storage to the temporary memories and independent memory and input deletion of statistical data Priority Levels in Calculation This calculator performs operations according to the following pri ority zZ Functions preceded by their argument x x n etc Yx x Implied multiplication of a memory value 2Y etc Functions followed by their argument sin cos etc Implied multiplication of a function 2sin30 etc D Cr Pr x AND OR XOR XNOR M M M DEG PRAD PGRAD DATA CD gt r xy and other calculation ending in struction If parentheses are used parenthesized calculations have prec edence over any other calculations INITIAL SETUP Mode Selection Normal mode NORMAL 2ndF MODE _0_ Used to perform arithmetic operations and function calculations Complex number mode CPLX Used to perform arithmetic operations with complex numbers Statistic mode STAT Used to perform statistical calculations When executing mode selection temporary memorie
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