Calculator User Manual

326
Chapter 20: A to Z Function and Instruction Reference
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 326 of 118
Not equal to:
ƒ
TEST menu
numberA
ƒ
numberB
matrixA
ƒ
matrixB
vectorA
ƒ
vectorB
stringA
ƒ
stringB
Tests whether the condition
argumentA ƒ argumentB
is true or false. Numbers, matrices, and vectors can be
real or complex. If complex, the magnitude (modulus)
of each element is compared. Strings are case-sensitive.
•
If true (
argumentA ƒ argumentB
), returns
1
.
•
If false (
argumentA
=
argumentB
), returns
0
.
2+2
ƒ
3+2
b
1
2+(2
ƒ
3)+2
b
5
[1,2]
ƒ
[3
N
2,
L
1+3]
b
0
"A"
ƒ
"a"
b
1
listA
ƒ
listB
Returns a list of
1
s and/or
0
s to indicate if each element
in
listA
is
ƒ
the corresponding element in
listB
.
{1,5,9}
ƒ
{1,
L
6,9}
b
{0 1 0}
nPr
MATH PROB menu
items
nPr
number
Returns the number of permutations of
items
(
n
) taken
number
(
r
) at a time. Both arguments must be real
nonnegative integers.
5 nPr 2
b
20
Ý
BASE TYPE menu
integer
Ý
Designates a real
integer
as octal, regardless of the
number base mode setting.
In
Dec
number base mode:
10
Ý b
8
10
Ý
+10
b
18