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 or copy to clipboard as bitmap or enhanced metafile in black-and-white or color.
- 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.
This software is a shareware. You will be able to download and test Graphmatica during a certain period of time, then, if it does what you need, you will have to acquire the full version from Graphmatica publisher. The Graphmatica 2.0c free trial version contains an installer and an uninstaller, and has a size of 316 Kilobytes.
For additional information and support request, please contact directly Graphmatica publisher.

Graphmatica Screenshot