Casio fx-570ES Calculator User Manual


 
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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