Here's one I made that I think you'll like: encalc.com It does computer algebra, like integrate(x^2), as well as physical constants, like coulombs or hbar. I m

Here's one I made that I think you'll like: encalc.com It does computer algebra, like integrate(x^2), as well as physical constants, like coulombs or hbar. I made a draggable graphing calculator for it, but it was too slow so I never released it.