Symbolic Manipulation
225
Note:
Use
2
°
to view a list of defined variables, as described in
Memory and
Variable Management
.
Deleting a Defined Variable
You can “undefine” a defined variable by deleting it.
To delete:
Do this:
One or more specified variables
Use the
DelVar
function.
You can also delete
variables by using the
VAR-LINK screen
(
2 °
) as
described in
Memory and
Variable Management
.
All one-letter variables (a – z) in the
current folder.
Note:
For information about folders,
refer to the
Calculator Home Screen
module.
From the Home screen
Clean Up menu, select
1:Clear a-z
. You will be
prompted to press
¸
to
confirm the deletion.
Summary of Contents for Titanium TI-89
Page 9: ...Getting Started 6 TI 89 Titanium keys Ë Ì Í Ê ...
Page 34: ...Getting Started 31 2 or D 2 B u s i n e s s D B D B Press Result ...
Page 43: ...Getting Started 40 3 0 D B D D B D Press Result ...
Page 44: ...Getting Started 41 D 2 0 0 2 D B Scroll down to October and press Press Result ...
Page 58: ...Getting Started 55 Example Set split screen mode to TOP BOTTOM Press Result 3 B D ...
Page 70: ...Getting Started 67 ...
Page 175: ...Operating the Calculator 172 From the Keyboard ...
Page 456: ...Tables 453 ...
Page 527: ...Data Matrix Editor 524 ...