Rand; Npr, Ncr - Texas Instruments TI-84 Plus Manual Book

rand

rand rand rand
(random number) generates and returns one or more random numbers > 0 and < 1.
rand
To generate a list of random-numbers, specify an integer > 1 for
trials). The default for
[ ]
rand (numtrials)
To generate random numbers beyond the range of 0 to 1, you can include
Note:
an expression. For example,
With each execution, the TI-84 Plus generates the same random-number sequence
rand
for a given seed value. The TI-84 Plus factory-set seed value for
different random-number sequence, store any nonzero seed value to
the factory-set seed value, store 0 to
The seed value also affects
Note:

nPr, nCr

nPr, nCr
nPr, nCr nPr, nCr
(number of permutations) returns the number of permutations of
nPr
a time. and
items number
items nPr number
Chapter 2: Math, Angle, and Test Operations
is 1.
numtrials
generates a random number > 0 and < 5.
rand5
rand
randInt(
must be nonnegative integers. Both
or reset the defaults (Chapter 18).
, , and
randNorm( randBin(
(number of
numtrials
is 0. To generate a
rand
. To restore
rand
instructions.
taken
items
and can be lists.
items number
in
rand
at
number
80