Texas Instruments TI-89 Voyage 200, User Manual

Page: 604 / 1008

Programming 604
Entering a Test Operator
Entering a Test Operator Entering a Test Operator
Entering a Test Operator
• Type the operator directly from the keyboard.
– or –
Relational Tests
Relational Tests Relational 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:
½
The 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 ƒ mat2