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How to find the definite integral on a casio fx - 82ZA plus

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Posted on Jan 02, 2017

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

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

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SOURCE: how to use casio fx-9750G PLUS to find inverse????

To calculate the reciprocal of a numerical value you can use

  1. 1 / numerical value or
  2. use the key sequence [SHIFT] [ ) ] (X to -1), if the number is already displayed (stored in answer Ans memory)
Example: calculate the reciprocal of 13. Must be in Run Mode

1 [/] 13 [EXE] result is 0.07692307692 or

13 [EXE] to have 13 in Ans memory (displayed) and [SHIFT][ ) ] [X to -1] [EXE].

For such a simple number as 13, calculating its reciprocal the second way seems ridiculous, but if the number is already displayed the second method is the only efficient one if you do not want to copy the result on a piece of paper and retype so as to calculate its reciprocal.

Posted on Jan 21, 2010

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SOURCE: How to do inverse log on a casio fx 9750g plus

The inverse of a natural logarithm (ln) is the exponetial (e^x). Both share the same physical key [LN] pour ln and [SHIFT] [LN] (e^x) for the exponential.
Syntax is : [ln] 3 [EXE] gives 1.098612289
exponential of 4: [SHIFT][LN] 4 [=] 54.59815003

The inverse of decimmal logarith is raise 10 to a power. Both share tha same physical key [LOG]
log of 6 : [log] 6 [=] result is 0.7781512504
antilog of 0.77: [SHIFT][LOG] 0.77 [=] result is 5.888436554

For more complicated arguments (expressions) it may be a good idea to use parentheses to enclose the arguments of functions.

Posted on Apr 05, 2010

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SOURCE: how to solve for a

There is no button but a menu tab.
In Run screen, enter the number whose factorial you want to calculate ( number can be at most equal to 69), press [OPTN][F6] to get to next page of menus.

For factorials

  • Press then [F3](PROB) then [F1] (x!) followed by [EXE].
For combinations
  • Press then [F3](PROB) then[F3][nCr][EXE]
For permutations
  • Press then [F3](PROB) then[F2][nPr][EXE]

Posted on Oct 01, 2010

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SOURCE: Casio fx-9750G plus where is the factorial

  • In RUN screen enter the number
  • Press OPTN
  • Then press F6> to go to next page pf TABs
  • Press F3:PROB
  • Press F1:x! and EXE

Posted on Apr 07, 2011

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The Gamma function reduces to the factorial function if the argument is a positive integer. For this case see the screen capture.
For the true Gamma function with real argument, you might want to generate a table of values by using the general definition as an integral


This is taken from Wolfram Mathematica site
Gamma Function from Wolfram MathWorld
where you can find other expressions you might want to play with.

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*Press "SHIFT" then "MODE SETUP" find both of this on top next to your calculator screen.

*Once these are pressed, you should see a list of words on your screen: (1: MthI0 2: LineI0.... "The list goes on to".... 8: Ncrm)

*At this stage you should just press 3 and your calculator should be fine! :)

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

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$ (function , variable , lower bound, upper bound)
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Is there a way to calculate indefinite integrals (anti-derivatives) with the Casio FX-115ES?

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How to calculate calculus problem by a scientific calculator fx-991ms

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.

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How to find general anti-derivative Problems in Casio fx-115ES... I get the message syntax error, and also when the anti-derivative is bounded I get my answers in decimal form, i dont want decimal form......


I assume that by anti-derivative you mean the integral. I believe that you can only calculate definite integrals with this calculator. A definite integral requires that you specify the function e.g ln(x), the variable, x, the numerical value of the lower limit, 0.5 and the numerical value of the upper limit , say 2.
Try this: INT(sin(x),x, 0, pi/2)
This calculator can only give numerical values of definite integrals. If you want to perform symbolic calculations, you shoul look towards some other, more sophisticated Casios Casio ClassPad 330, or the TI Voyage200PLT, or the TI89Titanium. etc.

Hope it helps

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