Operation Manual

TI-83 Plus Math, Angle, and Test Operations 103

TEST LOGIC (Boolean) Operations

TEST LOGIC Menu

To display the

TEST LOGIC

menu, press

TESTä

This operator... Returns a 1 (true) if...

TEST LOGIC

1: and

Both values are nonzero (true).

2: or

At least one value is nonzero (true).

3: xor

Only one value is zero (false).

4: not(

The value is zero (false).

Boolean Operators

Boolean operators are often used in programs to control program flow

and in graphing to control the graph of the function over specific values.

Values are interpreted as zero (false) or nonzero (true).

and, or, xor

and

, and

xor

(exclusive or) return a value of

if an expression is true

if an expression is false, according to the table below.

valueA

and

valueB

can be real numbers, expressions, or lists.