Question about Casio FX9750GII Graphic Calculator

1 Answer

Sigma notation on fx9750gii

How to format what I input in order to find the sum of a sequence on this calculator. I'm on RUN-MAT mode and press OPTN - CALC - > - Sigma( but then don't know how to input the lower and upper limits.

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  • Casio Master
  • 7,993 Answers

The syntax is
Sigma ( function (n),index n, starting value of index n, ending value of index n, increment of n).
If you omit the increment of the index the calculator will assume it is equal to 1

Posted on Dec 03, 2012

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Posted on Jan 02, 2017

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SOURCE: unable to use the integration function

First you have to computational mode to [MODE][1:Comp]. Then press [SHIFT][MODE][1:MthIO].
Press the Integral, a template with the distinctive Integral (Snake) sign appears, with two small rectangles for the limits, a larger rectangle for the function, and dx.
The cursor will be blinking in the large level-line rectangle. Enter your function using the [ALPHA] [Letter] combinations to enter X,Y,A,B,C,or D, then use the Down Arrow to enter the lower limit, then the Up Arrow for the upper limits.
After you finish press the [=] to get the numerical result.
You cannot obtain primitives, just numerical values.

Posted on Dec 28, 2009

  • 1 Answer

SOURCE: standard deviation

pulse F1(CALC), F1(1VAR) and it goes to 1-Variable Screen and shows the following:
x-(mean): 49.3333333
Sumx:296
Sumx^2:15066
xon:8.78761755
xon-1:9.62635271
n:6

I guess that you wanted the x- and xon

Also are available in RUN mode through VARS, F3(STAT), F1(X), F2(x-) and F5(xon)

Posted on Jul 11, 2009

Shakeel786
  • 27 Answers

SOURCE: how to sum series

Click on the Mode button twice until you see “SD”. Select 1. This puts the calculator in Statistics Mode. image001.gif Enter the first number, 1.
image001.gif Hit the M+. (n= 1 will appear in the window)
image001.gif Enter the second number, 1.
image001.gif Hit the M+ key. (n=2 will appear in the window)
image001.gif . . . . .
image001.gif Enter the last number, 7.
image001.gif Hit the M+ key. (n=7 will appear in the window)
image001.gif Hit shift, 2. (This invokes the S-Var option.)
image001.gif Hit 1 for the sample mean. Hit Enter.
image001.gif Hit 3 for the sample standard deviation that we will use in class. Hit Enter. here you can also ffind the sum of all numbers

Posted on May 21, 2010

  • 7993 Answers

SOURCE: When trying to find the determinant of a matrix

When you press the OPTN key you see Tabs at the bottom of the screen. The second one from the left should be the submenu for matrix operations.. When you press F2:MAT, the new tabs are Mat, M>L (Matrix to List), Det (command to calculate the determinant etc.

Here is a detailed account of how to calculate the determinant of a square matrix.

I assume you know how to define your matrix, but I will repeat it here for others who might not know. You can skip to Calculation
1.Turn Calculator ON. If there are no icons, press [MENU].

Data Entry

2.Use arrows to highlight [MAT] icon. Press [ENTER]
3.Highlight the first line where it says Mat A. Use the right arrow to enter the dimensions of Matrix A. Enter 3 and press [EXE]. The cursor moves to the second dimension. Press 3 and press [ENTER].
4. The matrix entry screen appears.
5. Enter first matrix coefficient a_11 and press [ENTER]
6. Enter a_12 and [ENTER]
.....
Key in last coefficient a_33 and press [ENTER]

Calculation
Press [MENU] and [RUN]
Press [OPTN][F2:MAT][F3:Det] Command echoes on screen as det
Press [F1:Mat] echoes on screen as Mat; screen shows det Mat
Press [ALPHA] A The screen displays det Mat A
Press [ENTER] to calculate the determinant.

If the matrix is not square, you cannot calculate its determinant.

Posted on Dec 18, 2010

  • 102366 Answers

SOURCE: I know the S<->D button

You want to change the display mode. Press SHIFT MODE. Then press 6 and a number specifying the number of digits after the decimal point for fixed decimal notation, or 6 and 1 or 2 to specify one of the floating point modes.

Posted on Sep 18, 2011

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1 Answer

Change log base


In Run>Mat screen (Menu 1) Press the OPTN key.
Press F4:CALC
Press F6>
Press F4:logab
Alternatively, In Run >Mat press [SHIFT] 4 to enter the CATALOG.
Press L to go to letter L in catalog, then scroll from there until you reach logab.

Dec 04, 2013 | Casio FX9750GII Graphic Calculator

1 Answer

How to solve the inverse of a 3x3 matrix


You can jump to the end of the post for you answer.
A. Define the matrix (Create it)


Turn calculator ON.
Press Menu,select the MAT icon and press [EXE]
You see a list of possible matrix labels (A, B, C,D,E,F)
All that have not been created have a "none" to their right
Highlight a matrix name and press the right arrow. Where there was "none" , you have a template 0x0.
That is where you specify the dimensions (mxn). exemple. 2x2
Enter the first dimension and press [EXE]
Enter the 2nd dimension and press [EXE]
A matrix template opens where you enter the coefficients left to right and up down.
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

B. 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..

These operations are accessed as follows.
Quit the matrix editor by pressing [Menu] and selecting the [Run] application.
Press [OPTN][F2:MAT]
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).

You press the [OPTN][F2:MAT] key sequence (just above)
Press [F3:Det]; the command det is displayed on screen.
Press [F1:Mat] the identifier Mat is displayed.
Press [ALPHA] A; screen display det Mat A.
Press [EXE] to get the value of the determinant.

C. Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

D. Product of two compatible matrices MatAXMatB
[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]

E. Calculate the inverse of a square matrix (Mat A)
Use commands like the ones above to display the command Mat A, the press the [x^-1] key. You will get the inverse if matrix can be inverted.

Apr 27, 2012 | Casio FX-9860G Graphic Calculator

1 Answer

I am using a casio fx 9860 .... i dont know how to change the mode to linear it and how to do log when the base is not 10 .... like log 2


In Run screen press [SHIFT][MODE] to enter SetUp.
Look for the line Input Mode (it is the 1st on the SD version). Highlight the line then press the TAB at the bottom of screen that says Lin (F2 key). Press EXE when you finish with SetUp.

To use the logab( function,
1. open the Run/Mat screen.
2.Press the OPTN key.
3.Press [F4:Calc].
4. Press [F6:].
5. Press [F4:logab]

the command is displayed on the screen,.
6. Enter the base then the argument).
7. Close parenthesis if you want and
8. press EXE.
Example logab(2,8) =3

Jul 06, 2011 | Casio FX-9860G Graphic Calculator

1 Answer

I'm having a hard time trying to solve matrices on my Casio calculator. I can enter the deminsions of the matrix, but I don't know how to solve them.


Here is enough to get you started and a little more.
Read the post ant consult your calculator manual. The screen captures below may not look exactly as your calculator but the steps are identical.

A. Define a 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). example. 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.
Press [SHIFT][QUIT] to return to the list of matrices to create new ones

B 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
Example : 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.
C. Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

D. Product of two compatible matrices MatAXMatB

[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]

k24674_10.jpg

Part E Invert a (square, non singular) matrix that was already defined.

Press [OPTN] [F2:Mat] to open a screen similar to the one in capture above
Press [F1:Mat] to have identifier Mat displayed.
Enter the name of the matrix by pressing [ALPHA] A, for example.
Press [SHIFT] [ ) ] activate the (x^-1) key.

This is what you might see (with parentheses and without).
k24674_31.jpg

Press [EXE] button to calculate the inverse.

Apr 20, 2011 | Casio FX-9750GPlus Calculator

1 Answer

I am unable to solve determinant of matrix.


Here is enough to get you started and a little more.
Read the post ant consult your calculator manual.
How to calculate the determinant of a (square, non-singular) matrix is described in part B

A. Define a 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). example. 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.
Press [SHIFT][QUIT] to return to the list of matrices to create new ones

B 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
Example : 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.
C. Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

D. Product of two compatible matrices MatAXMatB

[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]

k24674_10.jpg

Part E Invert a (square, non singular) matrix that was already defined.

Press [OPTN] [F2:Mat] to open a screen similar to the one in capture above
Press [F1:Mat] to have identifier Mat displayed.
Enter the name of the matrix by pressing [ALPHA] A, for example.
Press [SHIFT] [ ) ] activate the (x^-1) key.

This is what you might see (with parentheses and without).
k24674_31.jpg

Press [EXE] button to calculate the inverse.

Apr 08, 2011 | Casio FX-9860G Graphic Calculator

1 Answer

How do you add matrices such as a (2x2) (2x3) on a casio fx-9750g


Here is enough to get you started and a little more.
Read the post ant consult your calculator manual. The screen captures below may not look exactly as your calculator but the steps are identical.

A. Define a 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). example. 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.
Press [SHIFT][QUIT] to return to the list of matrices to create new ones

B 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
Example : 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.
C. Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

D. Product of two compatible matrices MatAXMatB

[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]

k24674_10.jpg

Part E Invert a (square, non singular) matrix that was already defined.

Press [OPTN] [F2:Mat] to open a screen similar to the one in capture above
Press [F1:Mat] to have identifier Mat displayed.
Enter the name of the matrix by pressing [ALPHA] A, for example.
Press [SHIFT] [ ) ] activate the (x^-1) key.

This is what you might see (with parentheses and without).
k24674_31.jpg

Press [EXE] button to calculate the inverse.

Mar 23, 2011 | Casio FX-9750GPlus Calculator

1 Answer

How can i use Graphic calculator (fx-9860G) to solve matrics ( addition and multiplication etc). Would you please help me step by step. Asmat


Here is enough to get you started and a little more.
Read the post ant consult your calculator manual. The screen captures below may not look exactly as your calculator but the steps are identical.

A. Define a 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). example. 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

B 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
Example : 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.
C. Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

D. Product of two compatible matrices MatAXMatB

[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]

k24674_10.jpg

Part E Invert a (square, non singular) matrix that was already defined.

Press [OPTN] [F2:Mat] to open a screen similar to the one in capture above
Press [F1:Mat] to have identifier Mat displayed.
Enter the name of the matrix by pressing [ALPHA] A, for example.
Press [SHIFT] [ ) ] activate the (x^-1) key.

This is what you might see (with parentheses and without).
k24674_31.jpg

Press [EXE] button to calculate the inverse.

Mar 09, 2011 | Casio FX-9860G Graphic Calculator

1 Answer

Hoe to calculate a inverse matrix?


Sorry if post is too long. Skim through it to find the inverse of a matrix in part at the end:Part E

Note: Matrix must be square (nXn) and non singular (its determinant not equal to zero)

A. Define a 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). example. 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

B 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
Example : 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.
C. Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

D. Product of two compatible matrices MatAXMatB

[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]

k24674_10.jpg

Part E Invert a (square, non singular) matrix that was already defined.

Press [OPTN] [F2:Mat] to open a screen similar to the one in capture above
Press [F1:Mat] to have identifier Mat displayed.
Enter the name of the matrix by pressing [ALPHA] A, for example.
Press [SHIFT] [ ) ] activate the (x^-1) key.

This is what you might see (with parentheses and without).
k24674_31.jpg

Press [EXE] button to calculate the inverse.

Feb 25, 2011 | Casio FX9750GII Graphic Calculator

1 Answer

How do you do matrix?


Here is a small sample of things you can do with matrices.

A. Define a 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). example. 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

B 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
Example : 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.
C. Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

D. Product of two compatible matrices MatAXMatB

[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]

k24674_10.jpg

Press the F6 key to access other functions.

Jan 23, 2011 | Casio FX9750GII Graphic Calculator

1 Answer

How can I solve a matrix on my Casio fx-9750GA PLUS? I'm used to using the TI calculators.


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.

Nov 23, 2009 | Casio Office Equipment & Supplies

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