Wed, 15 May 2013 15:07:27 +0100 Christian Urban added recusive functions that decode triangle numbers
Mon, 13 May 2013 15:28:48 +0100 Christian Urban added
Mon, 13 May 2013 14:08:54 +0100 Christian Urban added papers
(0) -100 -30 -10 -3 +3 +10 +30 tip