A&G Grapher
Any 2D or 3D mathematical equation can be easily plotted with this powerful graphing calculator software.

MadCalc 1.0
MadCalc is a full featured graphing calculator application for your PC running Windows. With MadCalc you can graph rectangular, parametric, and polar equations. Plot multiple equations at once. Change the colors of graphs and the background.

Practicalc
PractiCalc © is the new generation calculator and conversion tool for all 32 bit windows platforms. It provides you with the result of your calculations as you type them in - instantly. As you edit your equation, so the result is displayed. Your can also save your equation as a named formula and use your formula immediately in any other equation.

FNGraph
Graphing and analyzing mathematical functions. Customization of graphs and coordinates system appearance. Support for complex syntax, large variety of functions, user-defined variables. Tools for function evaluation, analysis and integration.

GraphSight 2.01
GraphSight is a convenient graphing and curve fitting utility for Windows designed to quickly plot and explore 2D math functions and data. GraphSight easily plots common x(y), y(x) Cartesian, parametric, polar and table-defined graphs.

Graphmatica
Graphmatica is 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 25 graphs on screen at once. Offers copy to clipboard (bitmap and WMF), Button Bar, on-line help and demo files. In summary, a great tool for students and teachers of anything from high-school algebra through college calculus.