[chestervonwinch]

I see. I've always thought of sage as ipython+sympy+numpy+matplotlib+scipy ... sort of an enthought type of deal.

[hasch]

sagemath is such a distribution, but also a rather thick layer of algorithms on top of that. many of them are actually written in cython, to make them fast and to have a good binding with those libraries, etc.

[mseri]

Also a syntax pre-parser to support more "standard" mathematical notation (one among the many: exponentiation using ^)