Texas Instruments Titanium TI-89 User Manual

Programming 597
Note: The Define, DelVar, and Local commands are available from the Program Editor’s
†
Var toolbar menu.
Using Local Variables in Functions or Programs
Using Local Variables in Functions or ProgramsUsing Local Variables in Functions or Programs
Using Local Variables in Functions or Programs
A local variable is a temporary variable that exists only while a user-defined function is
being evaluated or a user-defined program is running.
Lock Locks a variable so that it cannot be accidentally changed
or deleted without first being unlocked.
MoveVar Moves a variable from one folder to another.
NewData Creates a data variable whose columns consist of a series
of specified lists.
NewFold Creates a new folder.
NewPic Creates a picture variable based on a matrix.
Rename Renames a variable.
Unarchiv Moves specified variables from user data archive memory
to RAM.
Unlock Unlocks a locked variable.
Command Description

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)