Texas Instruments TI-89 Titanium User Manual page 591

Entering a Test Operator
• Type the operator directly from the keyboard.
– or –
Press 2 I and select
•
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.
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).
Operator True if:
> Greater than
< Less than
Greater than or equal to
|
Less than or equal to
{
= Equal
Not equal to
ƒ
Programming
. Then
8:Test
Example
a>8
a<0
a+b | 100
a+6 b+1
{
list1=list2
mat1 mat2
ƒ
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