https://pinboard.in/u:citizen428/public/ recent bookmarks from citizen428 2010-01-21T19:01:43+00:00 http://www.coderholic.com/free-python-programming-books/ citizen428programming free python books ebooks https://pinboard.in/u:citizen428/b:f2ad211beb0e/ 2009-10-18T21:50:12+00:00 http://www.sagemath.org/ citizen428programming tools free statistics tool python https://pinboard.in/u:citizen428/b:72789f1fa10b/ 2007-10-13T19:28:31+00:00 http://www.cs.lth.se/home/Calle_Lejdfors/pygpu/ citizen428development programming python graphics https://pinboard.in/u:citizen428/b:ce7814f8666d/