Casio CLASSPAD 330 3.04 - Manual (Page 191)

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Using the Action Menu
Using the Matrix-Create Submenu
The [Matrix-Create] submenu contains commands related to creation of matrices.
S trn
Function: Returns a transposed matrix.
Syntax: trn (Mat [ ) ]
Example: To transpose the matrix [[1, 2] [3, 4]]
Menu Item: [Action][Matrix-Create][trn]
S augment
Function: Returns a matrix that combines two other matrices.
Syntax: augment (Mat-1, Mat-2 [ ) ]
Example: To combine the two matrices [[1, 2] [3, 4]] and [[5, 6] [7, 8]]
Menu Item: [Action][Matrix-Create][augment]
S ident
Function: Creates an identity matrix.
Syntax: ident (natural number [ ) ]
Example: To create a 2 s 2 identity matrix
Menu Item: [Action][Matrix-Create][ident]