Before Performing Matrix Calculations; About Matrix Answer Memory (Matans); Creating A Matrix - Casio FX-9750G Quick Start Manual

6-1 Before Performing Matrix Calculations

In the Main Menu, select the MAT icon and press w to enter the Matrix Mode and
display its initial screen.
k k k k k About Matrix Answer Memory (MatAns)
The calculator automatically store matrix calculation results in Matrix Answer Memory.
Note the following points about Matrix Answer Memory.
P.106
k k k k k Creating a Matrix
To create a matrix, you must first define its dimensions (size) in the MATRIX list.
Then you can input values into the matrix.
u u u u u To specify the dimensions of a matrix
Highlight Mat B.
Specify the number of rows.
Specify the number of columns.
1 (DEL) ....... Delete specific matrix
2 (DEL•A) .... Delete all matrices
• The maximum matrix dimension (size) is 255 (rows) ! 255 (columns).
• Whenever you perform a matrix calculation, the current Matrix Answer Memory
contents are replaced by the new result. The previous contents are deleted and
cannot be recovered.
• Inputting values into a matrix does not affect Matrix Answer Memory contents.
Example To create a 2-row ! 3-column matrix in the area named Mat B
c
cw
d
w
2 (row) ! 2 (column) matrix
1 2 3 4 5 6
Not dimension preset
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