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Question posted by lenickakubickova on November 9th, 2012

Error Function On Casio Fx-991es

Hello! Please, is there somewhere an error function in this type of calculator? If so, where? Thank you! Lenka

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Related Casio FX-991ES Manual Pages

User Guide - Page 4

... come with it means you see "Using Calculator Memory". E-2 be liable for the angle unit...calculation modes and setup settings, see "Calculation Modes and Calculator Setup". • For information about memory, see the symbol Appendix in this User's Guide and the separate Appendix are subject to the corresponding example number in accordance with it . Moreover, CASIO...

User Guide - Page 12

... are written.Then simply press the = key to execute it is automatically input with Parenthesis When you input any of the functions shown below . 19(CLR)1(Setup)=(Yes) This setting: Calculation Mode Input/Output Format Angle Unit Display Digits Fraction Display Format Complex Number Format Statistical Display Decimal Point Is initialized to...

User Guide - Page 13

... an open parentheses (( ): 2 × (5 + 4), etc. • Before a function with parenthesis: 2 × sin(30), 2 × '(3), etc. • Before ...11 For more information, see "Omitting a Final Closed Parenthesis". A function that come at a time. For details, see "Inputting with Math...sin(". • Note that when you are inputting functions with Math format, each key operation uses up one...

User Guide - Page 14

... mode. When there are inputting it. With the overwrite mode, any new character you input replaces the character at a convenient point and calculate the result. Changing the Character or Function You Just Input Example: To correct the expression 369 × 13 so it . • The cursor is a vertical flashing line (I to let...

User Guide - Page 15

...where you want to insert new input, and then input what you want. Deleting a Character or Function Example: To correct the expression 369 × × 12 so it becomes 369 × 12 LINE... 369**12 ddd Y Correcting a Calculation Example: To correct cos(60) so it becomes sin(60) LINE Insert Mode: c60) dddY s Overwrite Mode: c60) dddd s Inserting Input into a Calculation Always use the insert mode for ...

User Guide - Page 16

... in your textbook. LINE 14/0*2= Press e or d. E-14 k Displaying the Location of an Error If an error message (like "Math ERROR" or "Syntax ERROR") appears when you nest too many functions and/or parentheses. This is allowed. The maximum allowable height of a calculation formula to be greater than one display line. Further input will become impossible...

User Guide - Page 17

... cursor on the display when you input using Math format. Functions and Symbols Supported for Math Format Input • The "...8226; Pay close attention to the location and size of e) Square Root Cube Root Square, Cube Reciprocal Power Power Root Integral Derivative Σ Calculation Absolute Value Parentheses Key Operation ' 1'(() & 1l($) 1i(%) ! 1!(#) w, 1w(x3) E 6 16(") 7 17(F) 1&(8) 1w(Abs) ...

User Guide - Page 18

...MATH Math (1+'2c5e) w*2= • When you press = and obtain a calculation result using Math format, you can be used in the parentheses into the function '. • If the cursor is located left of a particular value or ...INS) This changes the shape of 1 + (2 + 3) + 4 into the function specified here. This incorporates the expression in the above procedure, and the required key ...

User Guide - Page 19

... values. For details, see "Using S-D Transformation". Note • When "LineIO" is selected for the input/output format, you can also incorporate values into the following functions. 1l($), 1i(%), !, 6, 1!(#), 1w(Abs) Displaying Calculation Results in a Form that Includes '2, π, etc. (Irrational Number Form) When "MthIO" is selected for S-D conversion.

User Guide - Page 20

... 1 π 6 MATH 1s(sin-1)0.5= (Angle Unit: Rad) Math • The following are the calculations for which ' form (form that include square root symbols can be displayed in the CMPLX Mode, the ...; a'b , ± a'b ± d'e cf E-18 Complex number Abs calculations d. Trigonometric function calculations c. Results that includes ' within irrational number display) results can have up to...

User Guide - Page 26

...press A and then d or e to back-step through calculation history memory contents. Calculation history memory shows both calculation expressions and results. Using Calculation History Memory and Replay Calculation history memory maintains a record of each calculation expression you used for the new calculation. Replay Function While a calculation result is on the display, you can display...

User Guide - Page 27

... used for storage of 3 × 4 by 30 LINE 3*4= (Continuing)/30= Pressing / automatically inputs "Ans" command. • With the above procedure, you change if an error occurs during the current calculation. • Answer Memory contents are stored in independent memory. Variables Six variables named A, B, C, D, X, and Y can use memory. Using Answer Memory to another...

User Guide - Page 31

... you specify otherwise, an equation is solved for X. Appendix Calculate an +1 = an + 2n (a1 = 1) as XY + C = 0.) • SOLVE cannot be used to solve an equation that contains an integral, derivative, Σ( function, Pol( function, Rec( function, or multi-statement. E-29 XB = C + D, B (Solves for B.) The following types of approximation to a2. *6 Value of a3 *8 Value of...

User Guide - Page 36

... 2, -2, 2) = -5.333333333 • A "Time Out" error occurs when an integration calculation ends without the ending condition being integrated, the presence of positive ...calculation to the type of function being fulfilled. • When performing an integration calculation involving trigonometric functions, specify Rad as their arguments. Appendix to k Integration Calculations This calculator...

User Guide - Page 38

... in the COMP Mode only. • When performing a differential calculation involving trigonometric functions, specify Rad as constants.) a: Input a value to take more time. A default value of X (All non-X variables are treated as the calculator's default angle unit. • A "Time Out" error occurs when a differential calculation ends without the ending condition being fulfilled. •...

User Guide - Page 63

...a function. • The derivative (d/dx), integration (∫), coordinate conversion (Pol, Rec), and sum (Σ) functions cannot be changed. k Supported Function Types •...value causes an error, so the number table is less than 30 x-values causes an error. Executing a ...calculation expressions (which must produce a numeric result) for the number table being generated. E-61...

User Guide - Page 69

...Mind for internal calculation, and calculation precision depends on the type of calculation you are cumulative in the case of consecutive calculations. Performing a calculation that the ...999999999҂1099 1Ϲ x Ϲ4.999999999҂1099 E-67 A Stack ERROR occurs when the calculation you are performing. This means that involves a matrix causes one level of...

User Guide - Page 70

...141;100 a b/c Total of integer, numerator, and denominator must be large in the vicinity of errors that occur with each calculation. • Error is an integer) 0Ϲ n 1҂1010, 0Ϲ r Ϲ n...Calculation Range and Precision", above. • ^(xy), x'y, 3', x!, nPr, nCr type functions require consecutive internal calculation, which can cause accumulation of a function's...

User Guide - Page 71

... a problem with the argument of the stack. • Try splitting the calculation into two or more information, see "Displaying the Location of the error. Argument ERROR • Cause • There is within the allowable range for the function. Stack ERROR • Cause • The calculation you are performing has caused the capacity of the numeric stack...

User Guide - Page 73

This will not be cleared. Normally, calculators equipped with G13 type button battery (LR44). When any errors. (2) Make sure that checks whether calculation functions are not what you continue to perform. (3) If the above steps do not correct your problem, press the O key. Even if the calculator is dead. Important! • Removing the button battery from the...