Question about Casio Brand New-Fx-991es Plus - Scientific Calculator

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How i can get infinity symbol in casio fx-991es plus calculator

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

Posted on May 13, 2013

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  • Casio Master
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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 .

Posted on Nov 18, 2012

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Posted on Jan 02, 2017

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SOURCE: i want casio fx-991es result

To convert a single result to decimal, press SD. To have all results come out in decimal, press SHIFT MODE 2 to select LineIO mode.

Posted on Oct 04, 2010

  • 1 Answer

SOURCE: Inputing factors on a casio fx-115es calculator

Unless I am failing to understand your problem, just combine like terms to get:
9x^2+2x+4 and then enter those coefficients into the quadratic solver.
That will get you the two answers -- both of them will be complex.
If you wanted to turn those two answers into factors (complex) of the original equation simply
change the signs on each and put an x in front.
Of course, the quadratic formula would also work.
CG

Posted on Apr 28, 2009

  • 8081 Answers

SOURCE: How can I solve a matrix on my Casio fx-9750GA

Hi,
If you have mastered matrix manipulations on the TI calculators, it should be a breeze to learn the same on the Casios.

A. Define the matrix (Create it)

  1. Turn calculator ON.
  2. Press Menu,select the MAT icon and press [EXE]
  3. You see a list of possible matrix labels (A, B, C,D,E,F)
  4. All that have not been created have a "none" to their right
  5. Highlight a matrix name and press the right arrow. Where there was "none" , you have a template 0x0.
  6. That is where you specify the dimensions (mxn). exemple. 2x2
  7. Enter the first dimension and press [EXE]
  8. Enter the 2nd dimension and press [EXE]
  9. A matrix template opens where you enter the coefficients left to right and up down.
  10. After each coefficient press [EXE]. Cursor moves to the next coefficient, etc.
At the bottom of the screen you have 3 menus for Row and column manipulations. But those will have to wait for now.
Press [SHIFT][QUIT] to return to the list of matrices to create new ones

Operations on matrices
Once you have one matrix, you can do operations on it: Calculate the determinant (if matrix is square), calculate its inverse, transpose, augment it, fill it, etc..
  1. These operations are accessed as follows.
  2. Quit the matrix editor by pressing [Menu] and selecting the [Run] application.
  3. Press [OPTN][F2:MAT]
  4. You have the menus Mat,M(atrix)->L(ist), Det(erminant), Trn (transpose), Aug(ment) ->, Iden(tity),Dim(ension) Fill
Exemple : calculate the determinant of a matrix A (already defined).
  1. You press the [OPTN][F2:MAT] key sequence (just above)
  2. Press [F3:Det]; the command det is displayed on screen.
  3. Press [F1:Mat] the identifier Mat is displayed.
  4. Press [ALPHA] A; screen display det Mat A.
  5. Press [EXE] to get the value of the determinant.
Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]
Product of two compatible matrices MatAXMatB
[OPTN][F2:MAT] (MAT) [Alpha] A [* ) (MAT) [ALPHA] B [EXE]

Hope it helps.
Thank you for using FixYa.

Posted on Nov 23, 2009

  • 15 Answers

SOURCE: casio fx-82es significant figures

it should...

it can be found by SHIFT then MODE then SCI is the one you want to choose

Posted on Jan 21, 2010

  • 1 Answer

SOURCE: how can we do linear interpolation in casio fx-991ES calculator

how solve interpolation by casio fx 991 ex

Posted on Nov 28, 2010

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1 Answer

How i can get infinity symbol in casio fx-991es plus calculator


You can't do that on Casio fx-991es plus calculator. Usually, infinity symbol available in calculators with CAS (Computer Algebra System).

Dec 02, 2017 | Casio Office Equipment & Supplies

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Where is normal distribution symbol?


I am sorry there are no statistical probability distribution functions on the FX-82ES calculators. Try with the FX-991ES.

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Combinations on fx-991ES


Press [SHIFT][ division key]. It is marked with nCr.

May 03, 2014 | Casio Brand New-Fx-991es Plus - Scientific...

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Is there a verify mode on the CASIO fx-991es plus calculator?


You should try to explore the calculator to find its capabilities. You can also read the manual. Everything is in it.
Press the Mode button, then the down arrow key. On the second page of the mode list you find 2:Verif

Mar 23, 2014 | Casio Brand New-Fx-991es Plus - Scientific...

1 Answer

Is it possible to solve eqn in this 82ms calculator


Sorry, It is not possible to solve equations on the Casio FX-82 ms. Try the Casio FX-115 ES/ FX-115 ES Plus, FX-991ES/ FX-881 ES Plus C.

Oct 29, 2013 | Casio FX82MS Scientific Calculator

1 Answer

Calculators fx algebra


The FX-991ES Plus barely handles simple operations on matrices of dimensions up to 3X3. It cannot find eigenvalues or eigenvectors.

Oct 24, 2013 | Casio Brand New-Fx-991es Plus - Scientific...

1 Answer

PRIME FACTORIZATION USING CASIO FX-991ES PLUS


If it does not have the FACT key, you must factor by hand: Divide by 2, then by 3, 5, 7 etc.

Apr 24, 2013 | Casio Brand New-Fx-991es Plus - Scientific...

1 Answer

How to calculate parallel circuit in casio fx-991ES plus


Write your equations first, then try to use the calculator to solve the problem. If you don't know how to do it by hand, you won't be able to ask the calculator to do it for you.

Apr 19, 2013 | Casio Brand New-Fx-991es Plus - Scientific...

1 Answer

How to get infinity symbol


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

1 Answer

I have to buy Casio FX-991W Plus. No one has it. I checked eBay and the Casio web-site. I need that one. where can I get it from?


Hi,
If you cannot find it, buy an FX-991ES. It is solar-powerd and it has the natural text-book display, which is a novelty in calculators.
I know that Staples carry the FX-991ES.

Hope it helps.

Nov 27, 2008 | Casio FX-115W Plus Calculator

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