Home » Casio » Calculators » Casio FX-991ES

Casio FX-991ES Support Question

Find answers below for this question about Casio FX-991ES.
Need a Casio FX-991ES manual? We have 2 online manuals for this item!

Casio Overview Questions Manuals Reviews Videos Research

Question posted by aky92 on November 8th, 2012

Double Intergration Fx 991es

can double intergration be perfomed on the fx 991es ?

I Know the Answer!

I have the same question
Request More Information

Current Answers

There are currently no answers that have been posted for this question.
Be the first to post an answer!

Remember that you can earn up to 1,100 points for every answer you submit. The better the quality of your answer, the better chance it has to be accepted.

Related Casio FX-991ES Manual Pages

User Guide - Page 4

... part of the actual key operation you perform. • The cursor key is indicated as shown in calculator memory. 19(CLR)3(All)=(Yes) • For information about calculation modes and setup settings, see "Calculation Modes and Calculator Setup". • For information about memory, see the symbol Appendix in the Appendix: Deg : Specify Degree for...

User Guide - Page 5

... battery to direct heat or dispose of it by burning it will not get into the calculator. • Use only the type of small children. Doing so can cause certain components to...8226; Keep batteries out of the reach of battery specified for this calculator in this manual handy for later reference. Disposing of the Calculator • Never dispose of fire and personal injury. Keep this manual...

User Guide - Page 6

...Very low temperatures can cause memory contents to very high temperatures. Because of the calculator in the calculator. • The battery that comes with a cloth moistened in direct sunlight, near...can remove printed markings and can damage internal circuitry. • Never drop the calculator or otherwise subject it may require replacement sooner than the normal expected battery life....

User Guide - Page 7

...while the mode menu (which appears when you press N) is low. Use d and e to the back of the calculator as shown in the illustration below. Important! • If adjusting display contrast does not improve display readability, it , ... want, press A. • You can also adjust contrast using the calculator, slide its hard case downwards to remove it probably means that battery power is on the...

User Guide - Page 8

... result of a variable name to assign a value to recall the variable's value. Example: Input expression { Calculation result k Display Indicators Sample Display: CMPLX This indicator: S A M STO RCL STAT CMPLX MAT VCT 7... a key. The alpha input mode has been entered by pressing the 1 key. The calculator is in independent memory. A fixed number of a variable name to the variable. A ...

User Guide - Page 9

... Mode (1) Press N to display the mode menu. Select this type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal, decimal, hexadecimal) Equation solution Matrix calculations Generation of calculation that corresponds to the mode you want to perform this mode: COMP CMPLX STAT BASE...

User Guide - Page 10

... specify this key operation: 1N6(Fix)0-9 1N7(Sci)0-9 1N8(Norm)1(Norm1) or 2(Norm2) Calculation Result Display Examples • Fix: The value you specify (from 0 to be displayed ...of Display Digits To specify this: Number of Decimal Places Number of significant digits for displayed calculation results. • See "Adjusting Display Contrast" for information about how to be displayed in ...

User Guide - Page 11

Outside the specified range, results are displayed using exponential format. The decimal point for input values is applied for calculation results . E-9 only. Norm1: 10-2 > x, x > 1010 Norm2: 10-9 > x, x > 1010 Example: 1 ÷ 200 = 5 × 10-3 (Norm1) 0.005 (Norm2) Specifying ...

User Guide - Page 12

... 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 input the argument and...

User Guide - Page 13

... a single expression. Final Closed Parenthesis You can show up more closed parentheses that when you input uses up to 14 characters at the end of a calculation, immediately before the = key is pressed.

User Guide - Page 14

... the overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you change to the overwrite mode when you need it.... overwrite mode, any new character you input replaces the character at a convenient point and calculate the result. • Normally the input cursor appears as a straight vertical (I) or ...

User Guide - Page 15

... × 12 LINE Insert Mode: 369**12 dd Y Overwrite Mode: 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 this operation. Use d or e to move the cursor to the ...

User Guide - Page 16

... they appear in your textbook. Further input will become impossible if you input 14 ÷ 0 × 2 = by pressing A, which clears the calculation. Further input will display the part of a calculation formula to be greater than one display line. LINE 14/0*2= Press e or d. Important! • Certain types of expressions can cause the height...

User Guide - Page 17

...is selected. • 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) ( or ) Bytes 9 13 6 4 4 4 9 4 5 4 9 8 6 8 4 1 Math Format Input Examples • The following operations are...

User Guide - Page 18

... the parentheses into a Function When using Math format, part of 1 + (2 + 3) + 4 into a function. Example 3: To input (1 + 2 )2 × 2 = 5 MATH Math (1+'2c5e) w*2= • When you press = and obtain a calculation result using Math format, you need to view the entire input expression again, press A and then press e. Math !

User Guide - Page 19

... = or 1=. • π form (form that includes expressions like '2 and π (irrational number form). • Pressing = after inputting a calculation displays the result using irrational number form. • Pressing 1= after inputting a calculation displays the result using decimal values. Example 1: '2 +'8 = 3'2 MATH Math 1 !2e+!8= Math 2 !2e+!81= E-17 Note • When "LineIO...

User Guide - Page 20

... be displayed. Results that includes ' within irrational number display) results can have up to both the real part and the imaginary part. Complex number Abs calculations d. Example 2: sin (60) = '3 2 MATH s60= (Angle Unit: Deg) Math Example 3: sin-1 (0.5) = 1 π 6 MATH 1s(sin-1)0.5= (Angle Unit: Rad) Math • The following are the input...

User Guide - Page 21

... denominator, they are displayed in ' form even if coefficients (a′, c′, and d′) are outside of coefficients (a, c, and d). More than two terms in the calculation result • Calculation results displayed in ' form are reduced to be used. a'b + c d'e f → a′'b + d′'e c′ • c′ is displayed in decimal form even when any intermediate...

User Guide - Page 22

... and / keys to perform arithmetic, fraction, percent, and sexagesimal calculations. Example: log3 + '2 = 1.891334817 Basic Calculations (COMP) This section explains how to perform arithmetic calculations. E-20 For more information, see "Calculation Priority Sequence". • If a term is encountered during the calculation cannot be displayed as a root (') form or a fraction, the...

User Guide - Page 23

... Format Pressing the 1f( a -bc ⇔ -dc ) key toggles the display fraction between mixed fraction and improper fraction format. Example: (2 + 3) × (4 - 1) = 15 LINE (2+3)* (4-1= k Fraction Calculations How you should input fractions depends on the input/output format that involves both fraction and decimal values is currently selected. Omitting a Final Closed Parenthesis...