How to solve Factorials ! on the Casio FC-200V calculator 

A quick tutorial on how to find factorials on the Casio FC-200V Financial Consultant calculator, as well as an explanation as to why you may be getting an error when you do them.
Contents:
0:00 Intro
0:21 Buttons used
0:29 What is a Factorial?
0:51 Factorial (!) Example 1
1:17 Factorial (!) Example 2
1:41 Why can't you get the factorial of a large number?
2:41 Outro

Наука