MathBits.com Table of Contents
Factorials, Permutations, Combinations

To use these probability options, access the Math key.  Arrow to the right to find the PRB (probability) menu.
On this screen you will find:
              #2  nPr  permutation
              #3  nCr  combination
              #4  !  factorial
 

Each of these functions, requires that you enter a value FIRST and then access the function.  For example:

Permutations and Combinations are handled in the same manner:
                   
Compute  6P3 and 5C2

Go to the HOME screen. 
Enter your first value (for this example, 6  or  5)
Hit the MATH key, arrow to the right to PRB.
Choose #2, nPr  or  #3 nCr
Enter your second value (for this example, 3  or  2)
Press Enter.

Factorial:       Compute  6!

Go to the HOME screen. 
Enter your value first (for this example, 6)
Hit the MATH key, arrow to the right to PRB.
Choose #4, !
Press Enter.

 



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