vhf/free-programming-books — pull request #156 by danielscarvalho (2013-10-17 03:53:02+00:00)
Title: 2 Mathematica Books added

* [Stephen Wolfram's The Mathematica Book] (http://reference.wolfram.com/legacy/v5_2/)
* [Wolfram Mathematica Tutorial Collection] (http://www.wolfram.com/learningcenter/tutorialcollection/)