Use Equation Grapher to graph 2D equations.
Features:
* Ability to create 2D equation graphs.
* Cartesian and polar coordinate systems.
* The equation can be in the form of y=f(x) or x=f1(u), y=f2(u).
* Ability to edit graphs interactively.
* You can move, zoom in and zoom out graphs.
* Ability to save, print, cut, copy, paste and delete graphs.
