Texas Instruments Titanium TI-89 User Manual

Programming 615
Typically, the loop contains commands that let the program exit from the loop. Commonly
used commands are:
If, Exit, Goto, and Lbl (label). For example:
Ê
An If command checks the condition.
Ë Exits the loop and jumps to here when x increments to 6.
Note:
The Exit command exits from the current loop.
In this example, the
If command can be anywhere in the loop.
The
If command could also use a Goto command to transfer program control to a
specified
Lbl (label) command.
Ê
Ë
:0!x
:Loop
: Disp x
: x+1!x
: If x>5
: Exit
:EndLoop
:Disp x
When the If command is: The loop is:
At the beginning of the loop Executed only if the condition is true.
At the end of the loop Executed at least once and repeated
only if the condition is true.

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)