Home variables It is not possible to store data of one type in a variable of another type. For example, you use the Matrix catalog to create matrices. You can create up to ten matrices, and you can store these in variables M0 to M9. You cannot store matrices in variables other than M0 to M9.

Cate-

Available names

 

 

gory

 

 

 

 

 

 

 

Complex

Z0 to Z9

 

 

 

For example, (1,2)

Z0 or 2+3i

 

Z1. You can enter a complex

 

number by typing (r,i), where r represents

 

the real part, and i represents the

 

 

imaginary part.

 

 

Graphic

G0 to G9

 

 

 

See“Graphic commands” on page 18-21

 

for more information on storing graphic

 

objects via programming commands. See

 

“To store into a graphics variable” on

 

page 17-5for more information on

 

storing graphic object via the sketch view.

Library

Aplet library variables can store aplets

 

that you have created, either by saving a

 

copy of a standard aplet, or downloading

 

an aplet from another source.

 

List

L0 to L9

 

 

 

For example, {1,2,3}

L1.

 

Matrix

M0 to M9 can store matrices or vectors.

 

For example, [[1,2],[3,4]]

M0.

Modes

Modes variables store the modes settings

 

that you can configure using

 

 

MODES.

 

 

Notepad

Notepad variables store notes.

 

Program

Program variables store programs.

Real

A to Z and θ.

 

 

 

For example, 7.45

A.

 

 

 

 

 

Variables and memory management

14-7