word up

A song by Korn, a hard rock group

Have you heard "Word Up"? Its a good song.

by Lived Ip April 11, 2005

n!

read as "n factorial". It describes the product of all numbers from 1 to n.

5! = 1 * 2 * 3 * 4 * 5 = 120
2! = 1 * 2 = 2

n!

by Lived Ip February 12, 2006