Texas Instruments Titanium TI-89 User Manual

Operating the Calculator 194
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
Viewing CATALOG HelpViewing CATALOG Help
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 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)