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.

Current platforms

Win32 screen shot

Version 2.0e for Win32

This version works on all 32-bit Windows systems: 95, 98, ME, NT, 2000, and XP. It shares the same rock-solid core technology with the older versions, but also supports the modern conveniences you've come to expect from 32-bit applications like support for long filenames and a standard graphical toolbar, plus new features like data plotting/curve fitting and support for implicit functions.
Windows 3.1 screen shot

Version 1.60e for Windows

If you can't run a 32-bit operating system, this version works on any system running Windows 3.1 or OS/2 3.0. It is functionally equivalent to the previous version for Win32.
DOS screen shot

Version 3.60e for DOS

The DOS version is the grandaddy of them all--it has been around since 1990. But its most recent incarnation has almost all of the features of the Windows version, making it a powerful choice for low-end PCs. Still have 286's with no hard drives? No problem! It runs on anything with graphics and 512K of RAM! Supports CGA-SVGA graphics, Microsoft and compatible mice, and printing on Epson dot-matrix or HP LaserJet/DeskJet compatible printers.

Potential future platforms

Macintosh
I have a partner who has been making some progress on the Mac port. However, it's too early to make any promises about when that might be done...
Linux
Maybe one of these days I'll get around to putting a Linux partition on my hard drive...
Java
If I ever get motivated enough to try to learn Swing, I will probably do it by trying to port this program. It would be interesting to see how well it really works...
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kSoft, Inc. ksoft@graphmatica.com Last updated: Sun 04 Dec 2005