Category: Euler 2012 Euler Identity is voted the most beautiful mathematic formula in 1988 Apr 05 2012 2008 Little Erlang Exercise 6 Feb 02 2008 Little Erlang Exercise 5 Feb 01 2008 Little Erlang Exercise 4 Jan 31 2008 Little Erlang Exercise 3 Jan 29 2008 Little Erlang Exercise 2 Jan 26 2008 Little Erlange Exercise 1 Jan 11 2008