Storing And Recalling Variable Values - Texas Instruments TI-89 Titanium User Manual

3. Move the 8 indicator to the function or program, and press ¸.
To move the 8
One function or program at a time
One page at a time
To the first function or program that
begins with a specified letter

Storing and Recalling Variable Values

When you store a value, you store it as a named variable. You can then use the name
instead of the value in expressions. When the calculator encounters the name in an
expression, it substitutes the variable's stored value.
Rules for Variable Names
A variable name:
• Can use 1 to 8 characters consisting of letters and digits. This includes Greek letters
(but not p), accented letters, and international letters.
- Do not include spaces.
- The first character cannot be a digit.
• Can use uppercase or lowercase letters. The names
refer to the same variable.
Operating the Calculator
indicator:
Press or type:
D C
or
2 D 2 C
or
The letter key. (On the TI-89
Titanium, do not press
you do, you need to press
2 ™
again before you can
type a letter.)
j first. If
or
j
, , , and
AB22 Ab22 aB22
all
ab22
185