Casio College 2D+ User Manual Download Page 31 | Manualshive

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CASIO COMPUTER CO., LTD.

6-2, Hon-machi 1-chome

Shibuya-ku, Tokyo 151-8543, Japan

SA0909-A

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Summary of Contents for College 2D+

Page 1: ...E fx 92B Collège 2D User s Guide CASIO Worldwide Education Website http edu casio com CASIO EDUCATIONAL FORUM http edu casio com forum ...

Page 2: ...alculator Setup 5 Inputting Expressions and Values 6 Toggling Calculation Results 9 Basic Calculations 10 Remainder Calculations 12 Function Calculations 13 Using CALC 16 Statistical Calculations STAT 16 Equation Calculations EQN 19 Creating a Number Table from a Function TABLE 20 Using VERIFY VERIF 21 Ratio Calculations RATIO 23 Calculation Ranges Number of Digits and Precision 24 Errors 26 Befor...

Page 3: ...ing 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 CLR All Yes Safety Precautions Battery Keep batteries out of the reach of small children Use only the type of battery s...

Page 4: ...appens press the key to turn the calculator back on Adjusting Display Contrast Display the CONTRAST screen by performing the following key operation SETUP A CONT Next use B and C to adjust contrast After the setting is the way you want press Important If adjusting display contrast does not improve display readability it probably means that battery power is low Replace the battery Key Markings Pres...

Page 5: ...y 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 B STO RCL The calculator is standing by for input of a variable name to recall the variable s value This indicator appears ...

Page 6: ...culation VERIF Ratio calculations RATIO 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 SETUP Next use A and D and the number keys to configure the settings you want Underlined ___ settings are initial defaults MthIO LineIO Specifies the display format Natural Display MthIO causes fracti...

Page 7: ...the range in which results will be displayed in non exponential format Outside the specified range results are displayed using exponential format Norm 1 10 2 x x 1010 Norm 2 10 9 x x 1010 Example 1 1 200 5 s 10 3 Norm 1 0 005 Norm 2 A ab c A d c Specifies either mixed fraction a b c or improper fraction d c for display of fractions in calculation results A STAT ON OFF Specifies whether or not to d...

Page 8: ...ump to the beginning while pressing B while the cursor is at the beginning will cause it to jump to the end You can input up to 99 bytes for a calculation Each numeral symbol or function normally uses one byte Some functions require three to 10 bytes The cursor will change shape to I when there are 10 bytes or less of allowed input remaining If this happens end calculation input and then press Cal...

Page 9: ...e cut off If you need to view the entire input expression again press and then use B and C to scroll the input expression Using Values and Expressions as Arguments Natural Display only A value or an expression that you have already input can be used as the argument 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 ...

Page 10: ...ggle the currently displayed calculation result between its fraction form and decimal form its form and decimal form or its P form and decimal form P 6 1 6 0 5235987756 P 6 1 6 f 0 5235987756 2 2 s 3 6 2 3 5 913591358 7 2C 2 W 7 3U 6 2 3 f 5 913591358 While Linear Display is selected each press of 5 will toggle the currently displayed calculation result between its decimal form and fraction form 1...

Page 11: ...following key operation 5 To switch a calculation result between fraction and decimal form Press 5 Percent Calculations Inputting a value and pressing causes the input value to become a percent 150 s 20 30 150 20 30 Calculate what percentage of 880 is 660 75 660 880 75 Increase 2500 by 15 2875 2500 2500 15 2875 Discount 3500 by 25 2625 3500 3500 25 2625 Degree Minute Second Sexagesimal Calculation...

Page 12: ...lculation history data is all cleared whenever you press 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 B or C to edit the expression you used for the previous calculation 4 3 2 5 14 5 1 4 3 2 5 14 5 4 3 7 1 4 9 Continuing B 7 1 4 9 Note If you want to e...

Page 13: ...there is any value other than zero stored in independent memory To clear the contents of M 0 B STO J M 0 To add the result of 10 s 5 to M Continuing 10 5J 50 To subtract the result of 10 5 from M Continuing 10 5 J M 15 To recall the contents of M Continuing BJ M 35 Note Variable M is used for independent memory Clearing the Contents of All Memories Ans memory independent memory and variable conten...

Page 14: ... positive integer or positive fractional value Example 5A2 m Calculated as 5 2 Function Calculations For actual operations using each function see the Examples section following the list below P is displayed as 3 141592654 but P 3 14159265358980 is used for internal calculations sin cos tan Asn Acs Atn Trigonometric functions Specify the angle unit before performing calculations See 1 r g These fu...

Page 15: ... current number of display digits setting 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...

Page 16: ...rdinates B Pol V 2C B V 2C U r 2 θ 45 1 Pol V 2 B V 2 U r 2 θ 45 To convert polar coordinates 2 45 to rectangular coordinates B Rec V 2C B 45 U X 1 Y 1 5 3 40320 5 3 x 40320 2 7 s 2 10 Abs 2 7C 2U 10 1 Abs 2 7 2U 10 To obtain three random three digit integers 1000 Ran 459 48 117 Results shown here are for illustrative purposes only Actual results will differ To generate random integers in the rang...

Page 17: ...the left and an expression including variables on the right A B C Y X2 X 3 Use to input the equals sign of the equality To store 3A B and then substitute the following values to perform the calculation A B 5 10 7 20 3 A A B A Prompts for input of a value for A Current value of A 5 10 A or 7 20 To exit CALC Note During the time from when you press A until you exit CALC by pressing you should use Li...

Page 18: ...ing on the setup menu To select linear regression and input the following data 170 66 173 68 179 75 STAT AX B 170 173 179 AC 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 no...

Page 19: ... Ax B A B Correlation Coefficient r Estimated Values K L STAT Reg to K and L are not variables They are commands of the type that take an argument immediately before them See Calculating Estimated Values for more information To input the single variable data x 1 2 2 3 3 3 4 4 5 using the FREQ column to specify the number of repeats for each items xn freqn 1 1 2 2 3 3 4 2 5 1 and calculate the mean...

Page 20: ...ss EQN to enter the EQN Mode 2 On the menu that appears select an equation type To select this calculation type Press this key Simultaneous linear equations with two unknowns anX bnY cn Simultaneous linear equations with three unknowns anX bnY cnZ dn 3 Use the Coefficient Editor that appears to input coefficient values To solve x 2y 3 2x 3y 4 for example press in step 2 and then input the followin...

Page 21: ...1 1 1 0 1 1 1 4 X 1 A Y 2 A Z 3 Creating a Number Table from a Function TABLE TABLE generates a number table for x and f x using an input f x function Perform the following steps to generate a number table 1 Press TABLE to enter the TABLE Mode 2 Input a function in the format f x using the X variable Be sure to input the X variable 4 when generating a number table Any variable other than X is hand...

Page 22: ... 5 TABLE 4V 1 2 1 1 0 5 Note You can use the number table screen for viewing values only Table contents cannot be edited The number table generation operation causes the contents of variable X to be changed Important The function you input for number table generation is deleted whenever you display the setup menu in the TABLE Mode and switch between Natural Display and Linear Display Using VERIFY ...

Page 23: ...ecause 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 calculation operations Expression Input Precautions The following types of expressions cause a Syntax ERROR and can...

Page 24: ...nt value you already have input move the cursor to the appropriate cell input the new value and then press Pressing will clear all of the coefficients to zero Note The following operations are not supported by the Coefficient Editor M B STO Pol Rec R and multi statements also cannot be input with the Coefficient Editor 4 After all the values are the way you want press This displays the solution va...

Page 25: ...lculation Range p1 s 10 99 to p9 999999999 s 1099 or 0 Number of Digits for Internal Calculation 15 digits Precision In general p1 at the 10th digit for a single calculation Precision for exponential display is p1 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 s 109 RA...

Page 26: ...However 1 s 10100 ylog x 100 x y y 0 x 0 1 s 10100 1 x logy 100 y 0 x 0 y 0 x 2n 1 2n 1 m m 0 m n are integers However 1 s 10100 1 x log y 100 d c Total of numerator and denominator must be 10 digits or less including division marks RanInt a b a b a b 1 s 1010 b a 1 s 1010 Precision is basically the same as that described under Calculation Range and Precision above xy x y 3 x type functions requir...

Page 27: ...r Error Messages Math ERROR Cause The intermediate or final result of the calculation you are performing exceeds the allowable calculation range Your input exceeds the allowable input range particularly when using functions The calculation you are performing contains an illegal mathematical operation such as division by zero Action Check the input values reduce the number of digits and try again W...

Page 28: ...rform 3 If the above steps do not correct your problem press the key This will cause the calculator to perform a routine that checks whether calculation functions are operating correctly If the calculator discovers any abnormality it automatically initializes the calculation mode and clears memory contents For details about initialized settings see Configuring the Calculator Setup 4 Initialize all...

Page 29: ...the result of the last calculation performed Use this memory to carry the result of one calculation on to the next Independent Memory Use this memory to totalize the results of multiple calculations Variables This memory is helpful when you need to uses the same value multiple times in one or more calculations I What is the key operation to take me from the STAT Mode or TABLE Mode to a mode where ...

Page 30: ...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 31: ...CASIO COMPUTER CO LTD 6 2 Hon machi 1 chome Shibuya ku Tokyo 151 8543 Japan SA0909 A ...

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