Texas Instruments Titanium TI-89 User Manual

Data/Matrix Editor 517
On the Home screen (or anywhere else you can use a list), you can enter a list as a
series of elements enclosed in braces { } and separated by commas.
Note: After creating a list in the Data/Matrix Editor, you can use the list in any application
(such as the Home screen).
Data Variable
Data VariableData Variable
Data Variable
A data variable is essentially a collection of lists that may or may not be related. In the
Data/Matrix Editor, a data variable:
Although you must use commas to separate
elements on the entry line, spaces separate
the elements in the history area.
To refer to a specified element in a list, use
the format shown to the right.
Ê
Name of list variable
Ë Element number (or index number)
• Can have up to 99 columns.
• Can have up to 999 elements in each
column. Depending on the kind of data, all
columns may not have to be the same
length.
• Must have continuous columns; blank or empty cells are not
allowed within a column.
list1[1]
ÊË

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)