Texas Instruments Titanium TI-89 User Manual

Symbolic Manipulation 277
@1 ... @255
@1 ... @255@1 ... @255
@1 ... @255
ˆ,
, ,
, e
This notation indicates an “arbitrary constant”
that represents any integer.
When an arbitrary constant occurs multiple
times in the same session, each occurrence is
numbered consecutively. After it reaches 255,
arbitrary integer consecutive numbering
restarts at @0. Use Clean Up
2:NewProb to
reset to @1.
Note: For @, press: 89
ˆ represents infinity, and e represents the
constant
2.71828... (base of the natural
logarithms).
These constants are often used in entries as
well as results.
Notes:
For ˆ, press:
@8*
For
e, press:
@8s

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)