Texas Instruments 83PL/CLM/1L1/V - 83 Plus Calc, Manual Book

Page: 106 / 827

TI-83 Plus Math, Angle, and Test Operations 103
TEST LOGIC (Boolean) Operations
TEST LOGIC Menu
To display the
TEST LOGIC
menu, press
y ã
TEST
ä ~
.
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
,
or
, and
xor
(exclusive or) return a value of
1
if an expression is true
or
0
if an expression is false, according to the table below.
valueA
and
valueB
can be real numbers, expressions, or lists.