Manual Casio FX570ES (page 59 of 75) (English)

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E-57

Matrix Calculations (MATRIX)

You can save matrices under the names “MatA”, “MatB”, and “MatC”

in matrix memory. Matrix calculation results are stored in a special

Matrix Answer Memory named “MatAns”.

All calculations in this section are performed in the MATRIX

Mode (N6).

k Creating and Managing a Matrix

Creating a Matrix and Storing It in Matrix Memory

(1) In the MATRIX Mode, press 14(MATRIX)1(Dim).

• This displays the matrix selection screen.

•Note that the matrix selection screen also appears whenever

you enter the MATRIX Mode.

(2) Press a number key (1, 2, or 3) to specify the name of the

matrix you want to select.

• This displays a screen for configuring dimension settings.

(3)Press a number key (1 through 6) to specify the matrix

dimension you want to use.

•Pressing a number key to specify the matrix dimension causes

the matrix editor screen to appear.

(4) Use the matrix editor screen to input each of the elements into

the matrix.

•Input is subject to the same rules as those that govern the

coefficient editor screen in the EQN Mode. For more information,

see “Rules for Inputting and Editing Coefficients”.

• If you want to create another matrix, repeat this procedure from

step (1).

MAT

“A” stands for “MatA”.

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Casio FX570ES Manual

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