32
Ti36eng1.doc TI-36X II Manual Linda Bower Revised:
01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 32 of
48
Probability
Press
%6
to access a menu of functions.
nPr
Calculates the number of possible
permutations
of
n
items taken
r
at a time.
The order of objects is important, as in a race.
nCr
Calculates the number of possible
combinations
of
n
items taken
r
at a time.
The order of objects is not important, as in a
hand of cards.
!
The
factorial
of
n
is the product of the positive
integers from 1 to
n
.
n
must be a positive
whole number
69.
RAND
Generates a random real number between 0
and 1. To control a sequence of random
numbers, store an integer (
seed value
)
‚
0 to
S
E
. The
seed value
changes randomly
every time a random number is generated.
RANDI
Generates a random integer between two
integers,
A
and
B
, where
A
RANDI
B
.
Separate the two integers with a comma.
For
nPr
and
nCr
, enter the first argument, press
%6
, select
nPr
or
nCr
, press
V
, and enter
the second argument.
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