Casio FX-991ES Support Question
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!
Question posted by nikhilbetavalli0 on October 9th, 2023
How To Calculate Indefinite Integration Using 991ms Calculator
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Current Answers
Answer #1: Posted by Technoprince123 on October 10th, 2023 5:47 AM
Technoprince123
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Please response if this answer is acceptable and solw your problem thanks
Answer #2: Posted by SonuKumar on October 10th, 2023 11:07 AM
SonuKumar
Member since:
May 9th, 2021 Points: 16,619,300
Member since:
May 9th, 2021 Points: 16,619,300
To calculate indefinite integration using a Casio fx-991MS calculator, follow these steps:
Enter the function you want to integrate.
Press the ALPHA button followed by the X^2 button to access the integration function.
Press the ALPHA button again followed by the X button to specify the variable of integration.
Press the = button to calculate the indefinite integral.
For example, to calculate the indefinite integral of the function f(x) = x^2, you would follow these steps:
Enter the function f(x) = x^2 by pressing the X button twice.
Press the ALPHA button followed by the X^2 button to access the integration function.
Press the ALPHA button again followed by the X button to specify the variable of integration.
Press the = button to calculate the indefinite integral.
The calculator will display the indefinite integral, which is x^3 / 3 + C, where C is an arbitrary constant of integration.
The indefinite integral of a function represents the general solution of the differential equation whose derivative is the function. The constant of integration is necessary because the derivative of any constant function is zero, so there are infinitely many possible solutions to the differential equation.
Here are some examples of indefinite integrals that can be calculated using the Casio fx-991MS calculator:
Indefinite integral of x^2: x^3 / 3 + C
Indefinite integral of sin(x): -cos(x) + C
Indefinite integral of e^x: e^x + C
Indefinite integral of 1 / x: ln(x) + C
If you are having trouble calculating the indefinite integral of a function, you can try using a calculus textbook or online resource for assistance.
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... this product and the items that come with it.
Moreover, CASIO Computer Co., Ltd. Example numbers (like "") in this manual, it means you see "Using Calculator Memory". Rad : Specify Radian for the angle unit. Example: 1(Setup)
Indicates the menu item that come with it.
be liable for any claim of any ...
User Guide - Page 5
..., try to take the battery apart, or allow the battery to direct heat or dispose of it by burning it will not get into the
calculator. • Use only the type of battery specified for later reference. Safety Precautions
Be sure to read the following safety precautions before...
User Guide - Page 6
... volatile agents to become corrupted or lost completely. Never leave a dead battery in a weak solution of all excess liquid before using the calculator for the first time.
• Even if the calculator is operating normally, replace the battery at least once every three years. Always keep written records of water and a mild neutral...
User Guide - Page 7
... Display Contrast
1N(SETUP)c6(]CONT') This displays the contrast adjustment screen. Before Using the Calculator
k Removing the Hard Case
Before using d and e while the mode menu (which appears when you want, press A.
• You can also adjust contrast using the calculator, slide its hard case downwards to remove it probably means that battery power...
User Guide - Page 9
... (binary, octal, decimal, hexadecimal) Equation solution Matrix calculations Generation of calculation that corresponds to the mode you can use to control how the calculations are executed and displayed. c
f
E-7 Calculation Modes and Calculator Setup
k Calculation Modes
When you can jump between using c and f.
k Configuring the Calculator Setup
Pressing 1N(SETUP) displays the setup...
User Guide - Page 10
... See "Adjusting Display Contrast" for information about how to 9) controls the number of
decimal places for displayed calculation results.
Example: 1 ÷ 7 = 1.4286 × 10-1 (Sci5) 1.429 × 10-1... 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 use "]CONT'". Example: 100 ÷ 7 = 14.286 (Fix3)...
User Guide - Page 11
...Rectangular Coordinates 1Nc3(CMPLX)1(a+bi)
Polar Coordinates
1Nc3(CMPLX)2(r∠θ)
Specifying the Statistical Display Format
Use the following procedure to turn display of the frequency (FREQ) column of the two available ... ( ).
only. Outside the specified range, results are displayed using exponential format. • Norm: Selecting one of the STAT Mode STAT editor screen on ...
User Guide - Page 12
...is automatically input with the open parenthesis ( ( ) character. Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you input calculation expressions just as shown below , it .The calculator automatically judges the calculation priority sequence for addition, subtraction, multiplication, and division, functions, and parentheses.
User Guide - Page 13
...Math Format".
Number of Input Characters (Bytes) • You can use Math format. Basically, each item you input uses up one or more information, see "Inputting with Math Format". Note... the 15th character causes the expression to shift to 14 characters at the end of a calculation, immediately before the = key is pressed.
E-11 Displaying a Long Expression The display can...
User Guide - Page 14
... when the overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you know.
If the I ) when the insert mode is... shape to the overwrite mode when you input a new character. The procedure you should use the insert mode. k Correcting an Expression
This section explains how to the overwrite mode....
User Guide - Page 15
Use d or e to move the cursor to the location where you want to insert new input, and then input what you want. E-13 Deleting ...expression 369 × × 12 so it becomes
369 × 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...
User Guide - Page 16
... corrections. Example: When you press =, press d or e.
The maximum allowable height of 14 ÷ 10 × 2 = Use the insert mode for the following operation. You can also exit the error screen by mistake instead of a calculation formula is causing the error.
Further input will display the part of functions and parentheses is...
User Guide - Page 17
...Power of the cursor on the
display when you input using Math format. Functions and Symbols Supported for Math Format Input...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($) 1i(%) ! 1!(#) w, 1w(x3) E 6 16(") 7 17(F) 1&(8)...
User Guide - Page 18
...2 =
5
MATH
Math
(1+'2c5e)
w*2=
• When you press = and obtain a calculation result using Math format, you can be used in the above procedure, and the required key operations to use them. Example: To incorporate the expression inside of the parentheses of 1 + (2 + 3)... + 4 into a Function When using Math format, part of the cursor as shown in the parentheses into...
User Guide - Page 19
... conditions are the same as those for the input/output format, calculation results are always displayed using decimal values. Example 1: '2 +'8 = 3'2
MATH
Math
1
!2e+!8=
Math
2
!2e+!81=
E-17 Original Expression:
Function Key Operation
Integral
7
Resulting Expression
Derivative
17(F)
Σ Calculation 1&(8)
You can also incorporate values into the following functions. 1l($), 1i...
User Guide - Page 20
... coordinate display (r ∠ θ )
The following conditions apply respectively to two terms
(an integer term is always used for which ' form (form that includes ' within irrational number display) results can be
displayed. a. k ' Form Calculation Range
Note
When performing complex number calculations in decimal form for which ' form is also counted as a term). ' form...
User Guide - Page 31
Appendix
Calculate an +1 = an + 2n (a1 = 1) as XY + C = 0.)
• SOLVE cannot be used to solve an equation. Example: Y = X + 5, X = sin(M), X + 3 = B + C,
XY + C (...an integral, derivative, Σ( function, Pol( function, Rec( function, or
multi-statement. You can use SOLVE in the COMP Mode (N1) only.
k Rules Governing Equations when Using SOLVE
• You can use the...
User Guide - Page 36
... to
k Integration Calculations
This calculator performs integration using Math format. • There may be large error in the integration interval, or the interval. • Pressing A will be negative when f(x) < 0 within f(x), a, b, or tol. • Integration calculations can be performed in the CMPLX Mode, as long as complex numbers are treated as constants.)
a: Integration interval...
User Guide - Page 63
...independent memory (M) are all treated as the variable of a function. • The derivative (d/dx), integration (∫), coordinate conversion (Pol,
Rec), and sum (Σ) functions cannot be changed.
(4) After ...be used as values (the current variable assigned to the variable or stored in independent memory).
• Only variable X can specify either values or calculation expressions ...
User Guide - Page 72
...
• Check for errors in the equation that you are trying to use in a calculation was input without the ending condition being fulfilled.
• Action • Try increasing the tol value. Time Out Error • Cause
• The current differential or integration calculation ends without specifying its dimension.
• You are compatible with matrices...
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