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 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.

Complete feature list and large screen shot....

Free Trial Download Download Graphmatica 2.0f [372KB] Runs on Windows 95/98/ME and NT/2000/XP. For information on the DOS and 16-bit Windows versions, please see the archives page. Installing Graphmatica See the installation instructions if you're not sure what to do once you've downloaded the program. What's new 9/18/2008: Version 2.0f för Win32 Swedish translation now available for testing 4/2/2008: Version 2.0f for Win32 is now available 4/28/2006: Version 2.0e per Win32 translated to Italian 2/25/06: Added User-contributed translation into Simplified Chinese. 1/26/06: Japanese version 2.0b now available here. The what's new page has a log of older changes. Support Check the bug report page periodically for information on known bugs, workarounds, and patch releases. View the Frequently asked questions. Browse User-contributed downloads.

Ordering Order now online, by mail, or FAX. Translated versions Version 2.0 Graphmatica en Español Graphmatica en Français Graphmática em Portugues Graphmatica - dansk Graphmatica in Italiano Korean -- courtesy of ArmTech System Inc. Japanese -- courtesy of LightStone Corp. Version 1.6 Graphmatica en Español I would love to see this list grow! Contact me if you are interested in translating the program and/or help file into your native language. Distributors Important information for Shareware distributors. Please read before you download the program to distribute it.