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Re:Taming math and physics using SymPy [pdf] by lutusp on Friday August 29, 2014 @04:45PM (#8244427)
Complete agreement -- IPython is a nice, relatively lightweight mathematical environment based on Python. Runs locally in a browser [EDIT: and command line as well]. Easy to use. Free.

My IPython tutorial: http://www.arachnoid.com/IPython

Re:Taming math and physics using SymPy [pdf] by zokier on Friday August 29, 2014 @05:00PM (#8244489)
> Runs locally in a browser

And in terminal or a native Qt-based app. The Python runs always natively (ie not in browser), notebook/browser is merely a frontend to it.

Re:Taming math and physics using SymPy [pdf] by lutusp on Friday August 29, 2014 @05:15PM (#8244548)
Yes, thank you -- I edited my earlier post to reflect this.