## Probability Menu

Press
to view the Probability menu.

Press to select
nPr which finds the number of
permutations of n things taken r at a time.

Press to select
nCr which finds the number of
combinations of n things taken r at a time.

Press to select
! (factorial) which finds n!.

Press to select
`rand`

to generate a random number between 0 and 1, inclusive.