Casio 300 PLUS Guía Del Usuario

20050501

This section explains how to create matrices in the Main application, and how to perform
basic matrix calculations.

• Since a vector can be viewed as 1-row by 

-column matrix or 

-row by 1-column matrix, this

section does not include explanations specifically about vectors. For more information about
vector-specific calculations, see the explanations about the applicable [Action] menu items in
“2-7 Using the Action Menu”.

You can use the 9 (math) keyboard to input matrix values in a single line in the work
area, or the ) keyboard to input matrix values using an actual on-screen matrix.

k Inputting Matrix Values with the 9 Keyboard

Example: To input the matrix

1 2

and assign it to the variable “mat1”

3 4

u ClassPad Operation

(1) On the application menu, tap 

J to start the Main application.

(2) Press 

k to display the soft keyboard.

(3) Next, perform the following key operation.

9[[b,c][d,e]]W

0matbw

2-6-1

Matrix and Vector Calculations

• For information about assigning data to a variable, see “Creating and Using Variables” on page

1-7-5.