Before Performing Matrix Calculations - Casio FX-9750G plus User Manual

6-1 Before Performing Matrix Calculations

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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
To create a 2-row × 3-column matrix in the area named Mat B
Example
Highlight Mat B.
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2 (row) × 2 (column) matrix
Not dimension preset