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License
C.a.R. is open source by the GPL and free of charge. the GPL allows to change or modify the source, as long as the source remains open. Parts of the source may only be used in other GPL projects, and must be cited. Commercial applications are possible, but the source pages must be cited. You are welcome to distribute C.a.R. on CDs.
The Latex formatting in C.a.R. is based on code from HotEqn by VCLab Software. This code is under GPL too. The PNG saving code is GPL code by David Eisenberg.
Prerequisites
C.a.R. is a Java program and requires a runtime 1.5 or better. It is recommended to use the most recent Java version for your system.
Download and Installation
There are several ways to install C.a.R.
- Windows
A complete installer package for Windows, including documentation, examples, start icons, and associating construction files to C.a.R. - Installation Package
Contains the program archive, the examples and the documentation in one packed archive. Open the readme.html file in a browser for more information. - Source
Source of C.a.R. under GPL. Compile with "javac Zirkel.java", and start with "java Zirkel".
Installation for Experts
For experts, it is possible to download the core program archive only.