Casio fx-82SX, User Manual

Page 1: ...NQPOR fx 82SX fx 250HC...

Page 2: ...CASIO ELECTRONICS CO LTD Unit 6 1000 North Circular Road London NW2 7JD U K...

Page 3: ...ions 5 Constant Calculations 6 Memory Calculations 7 Fraction Calculations 8 Percentage Calculations 10 Scientific Function Calculations 11 Statistical Calculations SD Mode 16 Technical Information 18...

Page 4: ...the keyboard be sure to watch the display to make sure that all your key operations are being performed correctly Never leave dead batteries in the battery compartment They can leak and damage the un...

Page 5: ...n consent of the manufacturer Keep this manual on hand for future reference Modes Display indicators show current mode setting Absence of display indicator indicates COMP Mode Key Operation Mode Name...

Page 6: ...used in combination with the COMP and SD modes F9does not exit SD mode F0exits SD mode F0does not clear SCI or FIX specifications Always press t before entering DEG RAD and GRA modes Remember to alway...

Page 7: ...1 23 4 5 53 23 4 5 53 Example 2 56 12 2 5 56 12 E 2 5 E Example 3 2 3 1 1020 2 3 1 e 20 Example 4 7 8 4 5 36 7 8 4 5 Example 5 0 3 4 5 6 A N Example 6 2 7 6 5 4 122 2 O 7 6 O 5 4 P P You can skip all...

Page 8: ...constant is being used Use the COMP mode for constant calculations Example 1 2 3 3 then 2 3 6 2 3 3 2 3 3 2 3 6 6 Example 2 12 2 3 then 12 9 12 2 3 12 2 3 12 9 9 E Example 3 17 17 17 17 68 17 17 17 17...

Page 9: ...Y replaces current memory contents M appears when there is a value in memory To clear memory press 0 Y or t Y Example 1 53 6 23 8 56 2 99 4 210 75 53 6 53 6 Y 23 8 23 8 56 2 56 2 99 4 99 4 Memory rec...

Page 10: ...8 3 78 Memory recall Z Fraction Calculations Use COMP mode for fraction calculations Total number of digits including division marks cannot exceed 10 Example 1 1 2 C 3 4 C 5 Example 2 3 1 4 3 C 1 C 4...

Page 11: ...Example 4 1 6 2 1 1 C 2 1 6 Fraction decimal calculation result is always decimal Example 5 0 5 Fraction Decimal 1 C 2 C C Example 6 1 1 C 2 C 3 A B A B 2 1 1 2 1 2 1 2 0 5 1 2 1 2 3 5 3 2 3 5 3 1 2...

Page 12: ...ample 2 To calculate what percentage of 880 is 660 660 880 A v Example 3 To add 15 onto 2500 2500 15 A v Example 4 To discount 3500 by 25 3500 25 A v Example 5 To calculate the following using a const...

Page 13: ...tion 3 1415926536 kSexagesimal Decimal Conversion Example 14 25 36 14 42667 14 I 25 I 36 I A O kTrigonometric InverseTrigonometric Functions Example 1 sin rad RAD mode A x 6 S Example 2 cos 63 52 41 D...

Page 14: ...46579 3 kHyperbolic Inverse Hyperbolic Functions Example 1 sinh 3 6 3 6 M S Example 2 sinh 1 30 30 M A j kCommon and Natural Logarithms Exponents Example 1 log 1 23 1 23 R Example 2 In 90 loge 90 90 T...

Page 15: ...3 kSquare Roots Cube Roots Squares Reciprocals and Factorials Example 1 2 3 5 2 L 3 L 5 L Example 2 3 5 3 27 5 A D 27 E A D Example 3 123 302 123 30 A K Example 4 3 A X 4 A X A X 0 278567983 0 526540...

Page 16: ...ult to two places FIX 2 F 7 2 1 234 1 234 Example 2 1 234 1 234 rounding input to two places F 7 21 234 A b 1 234 A b Press F9 to clear FIX specification Example 3 1 3 displaying result with two signi...

Page 17: ...00 and 0 999 A c kCoordinate Conversion Example 1 To convert polar coordinates r 2 60 to rectangular coordinates x y DEG mode x 2 A z 60 y A N ANswaps displayed value with value in memory Example 2 To...

Page 18: ...D Mode for statistical calcula tions using standard deviation If FIX or SCI is on the display press F9 first Data input always starts with Au Example To calculate n 1 n o n x and x2 for the following...

Page 19: ...same data twice as above You can also input multiple entries of the same data using To input the data 110 ten times for example press 110 10 The above results can be obtained in any order and not nece...

Page 20: ...51 50 A 51 130 31 130 31 120 120 31 t130 31 t130 31 51 130 31 49 120 30 49 A 51 120 30 A 130 31 Correct Actual Correct kMaking Corrections During Data Input Example 1 To change data you have just inpu...

Page 21: ...ar t Sign change E Memory Memory in Y Memory minus A Memory plus Memory recall Z Special Decimal to sexagesimal A O Display memory swap A N A d Exponent e Internal rounding A b Parentheses O P Pi 3 14...

Page 22: ...thm A Q Common logarithm R Cosine W Cube root A D Engineering J A P Factorial A f Fraction C Fraction A B Hyperbolic M Natural antilogarithm A U Natural logarithm T Percent A v Polar to rectangular A...

Page 23: ...on A p Sample standard deviation A q Statistical register clear A u Sum of squares of values A a Sum of values A o kExponential Display Formats This calculator can display up to 10 digits Larger value...

Page 24: ...is no indication on the display of which format is currently in effect but you can determine the setting by performing the following calculation 1 200 NORM 1 format NORM 2 format All of the examples...

Page 25: ...the order of precedence of the operation for the first key you pressed kOverflow or Error Check The following conditions make further calculation impossi ble a When a result whether intermediate or f...

Page 26: ...Instead the display shows all zeros kPower Supply This calculator is powered by two AA size manganese dry batteries R6P SUM 3 or UM 3 Replace batteries as soon as possible when display characters beco...

Page 27: ...batteries with old ones Never try to charge batteries take them apart or allow them to become shorted Keep batteries away from direct flame and heat Keep batteries out of the reach of small children...

Page 28: ...parentheses are nested the operaitons en closed in the innermost set of parentheses are performed first Registers L1 through L6 store operations There are six re gisters so calculations up to six leve...

Page 29: ...ied to various calculations that can be performed using this calculator Coordinate Transformation With polar coordinates can be calculated within a range of 180 180 The calculation range is the same f...

Page 30: ...mutation Input range n r 0 n r natural numbers Formula nPr Combination Input range n r 0 n r natural numbers Formula nCr Population Standard Deviation Sample Standard Deviation Arithmetic Mean n n r n...

Page 31: ...a certain point when x 0 x 90 2n 1 DEG x 2 2n 1 RAD x 100 2n 1 GRA However for tan x x 5 1099 1 x 5 1099 x 1 1 10 99 x 1 10100 1 10100 x 100 DEG x 9 109 RAD x 5 107 rad GRA x 1 1010 grad kSpecificati...

Page 32: ...rs x2 y2 1 10100 Input Range Functions ex x x2 1 x 3 x x nPr nCr R P P R xy x 0 1 10100 y log x 100 x 0 y 0 x 0 y n n is an integer However 1 10100 y log x 100 Sexagesimal a b c 10100 0 b c Decimal x...

Page 33: ...integer numerator and denominator must be 10 digits or less including division marks x 1 1050 n 1 10100 n o n 0 n 1 n 0 1 Errors are cumulative with such internal continuous calculations as xy x1 y x...

Page 34: ...32 Calculation Capacity Input Basic Calculations 10 digit mantissa or 10 digit mantissa plus 2 digit expo nent up to 10 99...

Page 35: ...SA9707 B Printed in China Imprim en Chine CASIO COMPUTER CO LTD 6 2 Hon machi 1 chome Shibuya ku Tokyo 151 8543 Japan...