Combinations on the TI-83
2-20in the TI-83 Guidebook
These functions are located in menu. Press to PRB.
|The random number generator.
1:rand generates a number between 0 and 1. This could represent the values of rolling die 5 times. iPart takes the integer par of the number. Add 1 because you can't roll a zero.
|5:randInt( will do
the same thing as the example above. 5:randInt(lower,upper[,numtrials])
Thenumber of trials is optional
3:nCr is the same as C(n,r) except you must enter 52 Press 3:nCr ,Then enter 5.
The example above equal to
52!/(47!×5!) = 2,598,960