Probability Menu
Press 
to view the Probability menu.
Press 
to select
rand to generate a random number between 0 and 1, inclusive.
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
randInt to generate a random integer.
Press 
to select randNorm to generate a random number from a normal distribution.
Press 
to select randBin to generate a random number from a binary distribution.