Dozenal (Duodecimal) number system, promoting the use of base 12.

The dozenal number system is superior to the decimal number system which is widely in use today.

For information on why you should bother, see http://io9.com/5977095/why-we-should-switch-to-a-base-12-counting-system

Example usage:

  module Main where
  import Math.Dozenal
  main = print $ (Dozenal "4")^2