Texas Instruments Titanium TI-89 User Manual

Symbolic Manipulation 238
Deleting a Defined Variable
Deleting a Defined VariableDeleting a Defined Variable
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 variables of a specific type
Note: The Deltype function deletes all
variables of the specified type in all
folders.
Use the
Deltype function.

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)