Question about Texas Instruments TI-83 Plus Calculator
Here you go, Ray Ray...
In order to calculate the factorial of a number you must do the following:
1. Type your number 
2. Hit MATH
3. Scroll to PRB
4. Hit ENTER [The factorial symbol should be either the 1st one on that list or the 4th one]
Longstoryshort, if you want to find the factorial symbol on your TI-83 you must go to MATH. PRB. !. Done
By the way...that factorial is the fastest growing type of function in mathematics, and it is the backbone behind permutation, combinations, and a lot of probability theory.
The Math Cheetah
Posted on Mar 13, 2011
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