That's very cool. The API seems fairly similar to SymPy. It would be great to have a CAS that can perform simple operations in the browser, and ship more compl

That's very cool. The API seems fairly similar to SymPy. It would be great to have a CAS that can perform simple operations in the browser, and ship more complicated things to a SymPy backend (or another CAS). http://live.sympy.org/ http://live.sympy.org/ is great, but do we really need to call the backend for everything?