Texas Instruments TI-89 Titanium User Manual

Programming 590
Using If, Lbl, and Goto to Control Program Flow
An If...EndIf structure uses a conditional test to decide whether or not to execute one or
more commands.
Lbl (label) and Goto commands can also be used to branch (or jump)
from one place to another in a program.
F2 Control Toolbar Menu
To enter
If...EndIf structures, use the Program
Editor’s „
Control toolbar menu.
The If command is available directly from the
„ menu.
To see a submenu that lists other
If structures,
select
2:If...Then.
When you select a structure such as
If...Then...EndIf, a template is inserted at the
cursor location.
:If | Then Ê
:EndIf
Ê
The cursor is
positioned so that you
can enter a conditional
test.

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches