a powerful, easy-to-use, equation plotter with numerical and calculus features:
- Graph Cartesian functions, relations, and inequalities, plus polar, parametric, and ordinary differential equations. - Up to 999 graphs on screen at once. - New data plotting and curve-fitting features. - Numerically solve and graphically display tangent lines and integrals. - Find critical points, solutions to equations, and intersections between Cartesian functions. - Print your graphs, copy to clipboard as bitmap or enhanced metafile in black-and-white or color, or export to JPEG/PNG file. - On-line help and demo files make getting up to speed a snap.
In summary, a great tool for students and teachers of anything from high-school algebra through college calculus.