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1 before performing matrix calculations – Casio fx-9750G PLUS User Manual

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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

P.92

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