Casio CLASSPAD 330 3.04 - Manual (Page 152)

20060301
I Inputting Matrix Values with the Keyboard
The , , and  keys of the keyboard make matrix value input quick and easy.
To do this: Tap this 2D key:
Create a new 1-row s 2-column matrix 
Create a new 2-row s 1-column matrix 
Create a new 2-row s 2-column matrix 
Add a column to the currently displayed matrix 
Add a row to the currently displayed matrix 
Add both a row and column to the currently displayed matrix 
Example: To input the matrix
1 2 3
4 5 6
and assign it to the variable “mat2”
S ClassPad Operation
(1) Tap to display the keyset of the keyboard, and then perform the
key operation below in the Main application work area.
(Creates a 1-row s 2-column matrix.)
@CA
2-6-3
Matrix and Vector Calculations
 (Adds one column to the matrix.)
\ B
 (Adds one row to the matrix.)
CCDCE
(2) Perform the key operation below to assign the matrix to the variable named “mat2”.
C6 K?RAU