Discrete mathematics

The factorial of a number, n, is denoted by n!

One definition:

n! = 1 * 2 * 3 * ... * (n-1) * n

Another definition:

- 0! = 1
- n! = (n-1)! * n

Links at this site...

Links at other sites...

- Factorial and Gamma function
- Factorial--from Eric Weisstein's World of Mathematics
- Pascal's Triangle, Factorials, Binomial Coefficient - Math Tables, Facts and Formulas - Hoxie High School Mathematics Department

Created 26/3/00

Last modified