sympy/sympy — pull request #1397 by flacjacket (2012-07-02 13:13:16+00:00)
Title: Update IPython notebooks to version 3 for IPython 0.13 release

With the release of IPython 0.13, the v3 notebook format is now out in a production release. The current notebooks were opened with the new release and saved, updating them to the most recent version.