Casio fx-82 Super User Manual Download

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fx-82AU PLUS II

User’s Guide

CASIO Worldwide Education Website

http://edu.casio.com

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RJA528034-001V01

Summary of Contents for fx-82 Super

Page 1: ...E fx 82AUPLUSII User s Guide CASIO Worldwide Education Website http edu casio com CASIO EDUCATIONAL FORUM http edu casio com forum RJA528034 001V01 ...

Page 2: ...nus 5 Specifying the Calculation Mode 5 Configuring the Calculator Setup 5 Inputting Expressions and Values 6 Toggling Calculation Results 10 Basic Calculations 10 Prime Factorization 14 Function Calculations 14 Statistical Calculations STAT 17 Using VERIFY VERIF 20 Calculation Ranges Number of Digits and Precision 22 Errors 24 Before Assuming Malfunction of the Calculator 25 Replacing the Battery...

Page 3: ...ations see Configuring the Calculator Setup Initializing the Calculator Perform the following procedure when you want to initialize the calculator and return the calculation mode and setup to their initial default settings Note that this operation also clears all data currently in calculator memory 9 CLR 3 All Yes Safety Precautions Battery Keep batteries out of the reach of small children Use onl...

Page 4: ...es If this happens press the O key to turn the calculator back on Adjusting Display Contrast Display the CONTRAST screen by performing the following key operation 1N SETUP c5 CONT Next use d and e to adjust contrast After the setting is the way you want press A Important If adjusting display contrast does not improve display readability it probably means that battery power is low Replace the batte...

Page 5: ...disappear when you press a key A The alpha input mode has been entered by pressing the S key The alpha input mode will be exited and this indicator will disappear when you press a key M There is a value stored in independent memory STO The calculator is standing by for input of a variable name to assign a value to the variable This indicator appears after you press 1t STO RCL The calculator is sta...

Page 6: ... Statistical and regression calculations N2 STAT Verify a calculation N3 VERIF Note The initial default calculation mode is the COMP Mode Configuring the Calculator Setup First perform the following key operation to display the setup menu 1N SETUP Next use c and f and the number keys to configure the settings you want Underlined ___ settings are initial defaults 1MthIO 2LineIO Specifies the displa...

Page 7: ...ing exponential format Norm 1 10 2 x x 1010 Norm 2 10 9 x x 1010 Example b 1 200 5 10 3 Norm 1 0 005 Norm 2 c1ab c c2 d c Specifies either mixed fraction ab c or improper fraction d c for display of fractions in calculation results c3STAT 1ON 2OFF Specifies whether or not to display a FREQ frequency column in the STAT Mode Stat Editor c4Disp 1Dot 2Comma Specifies whether to display a dot or a comm...

Page 8: ... sign has been omitted parentheses will be inserted automatically as shown in the examples below When a multiplication sign is omitted immediately before an open parenthesis or after a closed parenthesis 6 2 1 2 p 6 2 1 2 6 A 1 2 p 6 A 1 2 1 2 3 sin 30 p 1 2 3 sin 30 When a multiplication sign is omitted immediately before a variable a constant etc 6 2π p 6 2π 2 2 2 p 2 2 2 4π 2π p 4π 2π When inpu...

Page 9: ...uence of input calculations is evaluated in accordance with the rules below When the priority of two expressions is the same the calculation is performed from left to right 1st Parenthetical expressions 2nd Functions that require an argument to the right and a closing parenthesis following the argument 3rd Functions that come after the input value x2 x3 x 1 x r g powers x roots 4th Fractions 5th N...

Page 10: ...of a function After you have input 7 6 for example you can make it the argument of resulting in 7 6 To input 1 7 6 and then change it to 1 7 6 B 1 7 6 dddd1Y INS As shown above the value or expression to the right of the cursor after 1Y INS are pressed becomes the argument of the function that is specified next The range encompassed as the argument is everything up to the first open parenthesis to...

Page 11: ... the currently displayed calculation result between its decimal form and fraction form 1 5 1 5 0 2 B 1 5 0 2 f 1 5 1 5 0 2 1 5 b 1 5 0 2 f 1 5 1 4 5 1 5 0 2 b 1 4 5 1 5 f 0 2 Important With certain calculation results pressing the f key will not convert the displayed value You cannot switch from decimal form to mixed fraction form if the total number of digits used in the mixed fraction including ...

Page 12: ... 25 2625 3500 3500 251 2625 Degree Minute Second Sexagesimal Calculations Performing an addition or subtraction operation between sexagesimal values or a multiplication or division operation between a sexagesimal value and a decimal value will cause the result to be displayed as a sexagesimal value You also can convert between sexagesimal and decimal The following is the input format for a sexages...

Page 13: ...ata is all cleared whenever you press O when you change to a different calculation mode when you change the display format or whenever you perform any reset operation Replay While a calculation result is on the display you can press d or e to edit the expression you used for the previous calculation 4 3 2 5 14 5 b 4 3 2 5 14 5 4 3 7 1 4 9 Continuing dYYYY 7 1 4 9 Note If you want to edit a calcula...

Page 14: ...dd calculation results to or subtract results from independent memory The M appears on the display when there is any value other than zero stored in independent memory To clear the contents of M 01t STO l M 0 To add the result of 10 5 to M Continuing 10 5l 50 To subtract the result of 10 5 from M Continuing 10 51l M 15 To recall the contents of M Continuing tl M 35 Note Variable M is used for inde...

Page 15: ... will not be able to execute prime factorization while the result of a calculation that uses Pol Rec is displayed Function Calculations For actual operations using each function see the Examples section following the list below π π π is displayed as 3 141592654 but π 3 14159265358980 is used for internal calculations e e is displayed as 2 718281828 but e 2 71828182845904 is used for internal calcu...

Page 16: ...ing Norm Fix or Sci With Norm 1 or Norm 2 the argument is rounded off to 10 digits With Fix and Sci the argument is rounded off to the specified digit When Fix 3 is the display digits setting for example the result of 10 3 is displayed as 3 333 while the calculator maintains a value of 3 33333333333333 15 digits internally for calculation In the case of Rnd 10 3 3 333 with Fix 3 both the displayed...

Page 17: ...90 to three significant digits Sci 3 1N SETUP 7 Sci 3 i90 4 50 100 1 2 103 1200 B 1 2 1063 1200 1 1 2 2 16 B 1 1 62 2 16 52 3 15625 5x W 15625 32 5 2 B 16 5e32 2 b 516 32 2 To calculate 2 3 4 242640687 to three decimal places Fix 3 1N SETUP 6 Fix 3 B 2e 3 4 243 b 2 3 4 243 To convert rectangular coordinates 2 2 to polar coordinates v B 1 Pol 2e1 2e r 2 45 b 1 Pol 2 1 2 r 2 45 To convert polar coor...

Page 18: ...00 10 Rnd 10 3 3 9 999 To determine the greatest common divisor of 28 and 35 S GCD 281 35 7 To determine the least common multiple of 9 and 15 S LCM 91 15 45 Statistical Calculations STAT To start a statistical calculation perform the key operation N2 STAT to enter the STAT Mode and then use the screen that appears to select the type of calculation you want to perform To select this type of statis...

Page 19: ...up menu To select linear regression and input the following data 170 66 173 68 179 75 N2 STAT 2 A BX 170 173 179 ce 66 68 75 Important All data currently input in the Stat Editor is deleted whenever you exit the STAT Mode switch between the single variable and a paired variable statistical calculation type or change the Stat Format setting on the setup menu The following operations are not support...

Page 20: ... argument immediately before them See Calculating Estimated Values for more information Minimum Value minX minY Maximum Value maxX maxY 11 STAT 5 MinMax 1 to 2 When the single variable statistical calculation is selected 11 STAT 6 MinMax 1 to 4 When a paired variable statistical calculation is selected First Quartile Q1 Median med Third Quartile Q3 11 STAT 5 MinMax 3 to 5 When the single variable ...

Page 21: ...ion also can be calculated for a value of y in the regression formula To determine the estimate value for y when x 160 in the regression formula produced by logarithmic regression of the data in 3 Specify Fix 3 for the result Perform the following operation after completing the operations in 3 A16011 STAT 5 Reg 5 n Result 8106 898 Important Regression coefficient correlation coefficient and estima...

Page 22: ...tor performs a mathematical operation on the input expression and then displays TRUE or FALSE based on the result Because of this calculation error can occur or a mathematically correct result may not be able to be displayed when the input calculation expression includes calculation that approaches the singular point or inflection point of a function or when the input expression contains multiple ...

Page 23: ...n Calculation Range 1 10 99 to 9 999999999 1099 or 0 Number of Digits for Internal Calculation 15 digits Precision In general 1 at the 10th digit for a single calculation Precision for exponential display is 1 at the least significant digit Errors are cumulative in the case of consecutive calculations Function Calculation Input Ranges and Precision Functions Input Range sinx DEG 0 x 9 109 RAD 0 x ...

Page 24: ...re integers 1 n r 1 10100 or 1 n n r 1 10100 Pol x y x y 9 999999999 1099 x2 y2 9 999999999 1099 Rec r 0 r 9 999999999 1099 Same as sinx a b c 1 10100 0 b c The display seconds value is subject to an error of 1 at the second decimal place x 1 10100 Decimal Sexagesimal Conversions 0 0 0 x 9999999 59 59 xy x 0 1 10100 ylogx 100 x 0 y 0 x 0 y n m 2n 1 m n are integers However 1 10100 ylog x 100 x y y...

Page 25: ...error message display Pressing d or e to display the location of the error or pressing A to clear the message and calculation Displaying the Location of an Error While an error message is displayed press d or e to return to the calculation screen The cursor will be positioned at the location where the error occurred ready for input Make the necessary corrections to the calculation and execute it a...

Page 26: ...ed If one step does not correct the problem move on to the next step Note that you should make separate copies of important data before performing these steps 1 Check the calculation expression to make sure that it does not contain any errors 2 Make sure that you are using the correct mode for the type of calculation you are trying to perform 3 If the above steps do not correct your problem press ...

Page 27: ... page E 5 for more information k How can I change a fraction form result to decimal form How can I change a fraction form result produced by a division operation to decimal form See Toggling Calculation Results on page E 10 for the procedure k What is the difference between Ans memory independent memory and variable memory Each of these types of memory acts like containers for temporary storage of...

Page 28: ...unction that uses parentheses must be followed by a closing parenthesis Failing to press after the argument to close the parentheses may cause unwanted values or expressions to be included as part of the argument Example sin 30 15 v Older S VPAM Model s30 15 15 5 Natural Textbook Display Model b s30 15 15 5 Failure to press here as shown below will result in calculation of sin 45 s30 15 0 70710678...

Page 29: ...r CASIO COMPUTER CO LTD 6 2 Hon machi 1 chome Shibuya ku Tokyo 151 8543 Japan Responsible within the European Union CASIO EUROPE GmbH Casio Platz 1 22848 Norderstedt Germany This mark applies in EU countries only ...

Page 30: ...SA1302 A Printed in China 2013 CASIO COMPUTER CO LTD CASIO COMPUTER CO LTD 6 2 Hon machi 1 chome Shibuya ku Tokyo 151 8543 Japan ...

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