Texas Instruments Titanium TI-89 User Manual

Statistics and Data Plots 544
Note: To use an existing list variable for x, y, Freq, or Category, type the list name
instead of a column number. An example using Freq, Category, and Include
Categories is available.
3. Press ¸ after typing in an input box, press ¸ twice).
The results are displayed on the
STAT VARS screen. The format depends on the
Calculation Type. For example:
Note: Any undefined data points (shown as undef) are ignored in a stat calculation.
4. To close the
STAT VARS screen, press ¸.
Redisplaying the STAT VARS Screen
Redisplaying the STAT VARS ScreenRedisplaying the STAT VARS Screen
Redisplaying the STAT VARS Screen
The Data/Matrix Editor’s Stat toolbar menu redisplays the previous calculation results
(until they are cleared from memory).
@2 ‰
For Calculation Type = OneVar For Calculation Type = LinReg
When : is shown
instead of =, you
can scroll for
additional results.

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)