Memory And Variable Management - Texas Instruments TI-89 Titanium Short User Manual

Steps and keystrokes
9. Re-enter 0b10+0hF+10.
Press ¸

Memory and Variable Management

Assign values to a variety of variable data types. Use the
to view a list of the defined variables. Then move a variable to the user
data archive memory and explore the ways in which you can and cannot
access an archived variable. (Archived variables are locked automatically.)
Finally, unarchive the variable and delete the unused variables so that
they will not take up memory.
Steps and keystrokes
1. From the Home screen, assign variables with
the following variable types.
Expression: 5 !x1
Function:
List:
Matrix:
@ " M 5 9 X1 ¸ X Z 2 «
4 9 j F c X d ¸ 2 [ 5 b
10 2 \ 9 j L1 ¸ 2 g 30
b 25 2 h 9 j M1 ¸
2. Suppose you start to perform an operation
using a function variable but can't
remember its name.
Press 5 p
3. Display the
This example assumes that the variables
assigned above are the only ones defined.
Press 2 °
84
2 +4 !f(x)
x
{5,10} !l1
[30,25] !m1
screen.
VAR-LINK
Display
VAR-LINK
Display
5...
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