1 before performing matrix calculations – Casio fx-9750G PLUS User Manual
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80
2 (row)
× 2 (column) matrix
6-1 Before Performing Matrix Calculations
In the Main Menu, select the
MAT icon to enter the Matrix Mode and display its
initial screen.
• {
DEL}/{DEL·A} ... deletes {a specific matrix}/{all matrices}
• The maximum number of rows that can be specified for a matrix is 255, and the
maximum number of columns is 255.
k
k
k
k
k
About Matrix Answer Memory (MatAns)
The calculator automatically stores matrix calculation results in Matrix Answer
Memory. Note the following points about Matrix Answer Memory.
• 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.
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
Example
To create a 2-row
× 3-column matrix in the area named Mat B
Highlight Mat B.
c
Not dimension preset
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