Texas Instruments Titanium TI-89 User Manual

Statistics and Data Plots 545
Previous results are cleared when you:
• Edit the data points or change the Calculation Type.
• Open another data variable or reopen the same data variable (if the calculation
referred to a column in a data variable). Results are also cleared if you leave and
then reopen the Data/Matrix Editor with a data variable.
• Change the current folder (if the calculation referred to a list variable in the previous
folder).
Statistical Calculation Types
Statistical Calculation TypesStatistical Calculation Types
Statistical Calculation Types
As described in the previous section, the Calculate dialog box lets you specify the
statistical calculation you want to perform. This section gives more information about the
calculation types.

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)