Casio fx-CG20 uDeleting Matrices, kMatrix Cell Operations, uTo delete all matrices, uTo delete a specific matrix, ADD, ADD, EDIT, ROW-OP, •{ROW}, DELETE, INSERT, DELETE

uDeleting Matrices

You can delete either a specific matrix or all matrices in memory.

uTo delete a specific matrix

1. While the Matrix Editor is on the display, use f and c to highlight the matrix you want to delete.

2. Press 1(DELETE).

3. Press 1(Yes) to delete the matrix or 6(No) to abort the operation without deleting anything.

uTo delete all matrices

1. While the Matrix Editor is on the display, press 2(DEL-ALL).

2. Press 1(Yes) to delete all matrices in memory or 6(No) to abort the operation without deleting anything.

kMatrix Cell Operations

Use the following procedure to prepare a matrix for cell operations.

1. While the Matrix Editor is on the display, use f and c to highlight the name of the matrix you want to use.

You can jump to a specific matrix by inputting the letter that corresponds to the matrix name. Inputting ai(N), for example, jumps to Mat N.

Pressing !-(Ans) jumps to the matrix current memory.

2. Press w and the function menu with the following items appears.

•{ROW-OP} ... {row operation menu}

•{ROW}

•{DELETE}/{INSERT}/{ADD} ... row {delete}/{insert}/{add}

•{COLUMN}

•{DELETE}/{INSERT}/{ADD} ... column {delete}/{insert}/{add}

•{EDIT} ... {cell editing screen}

All of the following examples use Matrix A.

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