Texas Instruments TI-89 Titanium User Manual

Operating the Calculator 182
From the example above, the syntax for factor is:
Note: For details about the parameters, refer to that command’s description in the
Technical Reference module.
Viewing CATALOG Help
You can display a command's parameters in a dialog box by pressing ƒ
Help. The
parameters are the same as those displayed on the status line.
Some commands, such as
ClrDraw, do not require parameters. If you select one of these
commands, parameters will not display on the status line and you will see Unavailable if
you press ƒ
Help.
Press N to exit the CATALOG Help dialog box.
factor(expression)
– or –
factor(expression,variable)
required
optional
Indicated
command and its
parameters.

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