Texas Instruments Titanium TI-89 User Manual

Programming 604
Entering a Test Operator
Entering a Test OperatorEntering a Test Operator
Entering a Test Operator
• Type the operator directly from the keyboard.
– or –
Relational Tests
Relational TestsRelational Tests
Relational Tests
Relational operators let you define a conditional test that compares two values. The
values can be numbers, expressions, lists, or matrices (but they must match in type and
dimension).
• Press 2 I and select
8:Test. Then
select the operator from the menu.
– or –
• Display the built-in functions. Press:
½The test operators are listed near
the bottom of the „ Built-in menu.
Operator True if: Example
> Greater than a>8
< Less than a<0
|
Greater than or equal to
a+b
|100
{
Less than or equal to
a+6
{b+1
= Equal list1=list2
ƒ
Not equal to
mat1
ƒmat2

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)