abacus v0.3.2 Abacus.Util

Utility functions

Summary

Functions

Returns the factorial of n

Functions

factorial(n)

Specs

factorial(number) :: number

Returns the factorial of n.

Example

iex(2)> factorial(0)
1
iex(3)> factorial(1)
1
iex(4)> factorial(2)
2
iex(5)> factorial(3)
6
iex(6)> factorial(4)
24
iex(7)> factorial(5)
120