Question about Casio Office Equipment & Supplies

FS-991ES I WANT TO SOLVE DEFINITE integral,INDEFNITE INTEGRAL ON CASIO CALCULATORS SO PLEASE TELL ME HOW TO SOLV

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The fx-991ES does not do indefinite integrals.

For definite integrals, use the [integral] key just below and left of the big round cursor pad. For example, to calculate the definite integral of x^2 dx from 0 to 1, press [integral] [alpha] [X] [cursor-right] [0] [cursor-right] [1] [=]. After about a second you should see 1/3.

Posted on Dec 21, 2014

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Posted on Jan 02, 2017

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If the i8ntegral is difficult to calculate, it may take a long time. During the calculation, the machine is busy and does not answer.

May 15, 2018 | Casio Office Equipment & Supplies

You can calculate first derivatives of some functions at given points; you can calculate definite integrals over a given interval, but you cannot solve differential equations.

Aug 10, 2014 | Office Equipment & Supplies

I am not sure what you mean. The key allows yous to calculate the definite integral of function which you enter on the command line. You must also enter the lower and upper limits. When used do differentiate, you must enter the function, and specify the point at which the first derivative is evaluated. Try the two features with simple functions to test whether the calculator is working.

Jan 14, 2014 | Casio Fx-991es Scientific Calculator

The calculator can calculate numerical values of derivatives and integrals but does not calculate limits of functions. Sorry

Sep 30, 2013 | Casio Brand New-Fx-991es Plus - Scientific...

why cant they include infinity symbol ? sometimes i feel my calculator is so dumb !

Nov 16, 2012 | Casio Brand New-Fx-991es Plus - Scientific...

You cannot. The calculator does not have a Computer Algebra System or
CAS. If you are trying to calculate an integral over an infine interval,
you must try some high values to simulate infinity and find a value
after which the value of the integral stops changing .

Nov 16, 2012 | Casio Fx-991es Scientific Calculator

The syntax for the evaluation of definite integrals (integrals with boundary limits) is as shown on the screen capture below.

$ (function , variable , lower bound, upper bound)

By default the name of the dummy variable is x. If you use another name, the variable must appear as an argument of the function, and as variable.

$ (function , variable , lower bound, upper bound)

By default the name of the dummy variable is x. If you use another name, the variable must appear as an argument of the function, and as variable.

Mar 13, 2012 | Casio Algebra FX 2.0 Calculator

No. The calculator can compute definite integrals by numerical integration, but it does cannot do indefinite integrals.

Feb 11, 2011 | Casio FX-115ES Scientific Calculator

Hello,

If by calculus problem you mean derivatives of functions, integrals, extrema and such things, I am sorry to inform you that neither the Casio FX-300MS, nor the FX-991MS can handle them. The newer Casio calculator FX-991ES is capable of performing numerical differentiations and integrations. There also graphing calculators by Casio FX-9750G, FX-9860G as well as by Texas Instruments (TI 83 PLUS/TI84PLUS) that are reasonably performant in that area.

Hope it helps.

If by calculus problem you mean derivatives of functions, integrals, extrema and such things, I am sorry to inform you that neither the Casio FX-300MS, nor the FX-991MS can handle them. The newer Casio calculator FX-991ES is capable of performing numerical differentiations and integrations. There also graphing calculators by Casio FX-9750G, FX-9860G as well as by Texas Instruments (TI 83 PLUS/TI84PLUS) that are reasonably performant in that area.

Hope it helps.

Oct 19, 2009 | Casio FX-300MS Calculator

Hello,

This calculator can only perform NUMERICAL DEFINITE integrals. Which meansyou have to supply the numerical value of the lower limit and the numerical value of the upper limit. The result is a numerical value.

The calculator cannot perform symbolic calculus.

If the function is simple you find the integral in tables of integrals where you will see that INT(log(X)dx=x(log(x)+1). Some calculators that have a CAS (computer algebra system) can manipulate symbolic expression, but not theCasio FX-991ES.

You ask it the value of the integral of log(X) from X=1 to X=3 and it will give you 0.5627748004

Hope it helps

This calculator can only perform NUMERICAL DEFINITE integrals. Which meansyou have to supply the numerical value of the lower limit and the numerical value of the upper limit. The result is a numerical value.

The calculator cannot perform symbolic calculus.

If the function is simple you find the integral in tables of integrals where you will see that INT(log(X)dx=x(log(x)+1). Some calculators that have a CAS (computer algebra system) can manipulate symbolic expression, but not theCasio FX-991ES.

You ask it the value of the integral of log(X) from X=1 to X=3 and it will give you 0.5627748004

Hope it helps

Dec 12, 2008 | Texas Instruments TI-84 Plus Calculator

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