C.a.R.

C.a.R.
Original author(s)	René Grothmann
Written in	Java
Operating system	Linux, Microsoft Windows, Mac OS X
Type	Interactive geometry software
License	GNU General Public License
Website	car.rene-grothmann.de/doc_en/index.html

C.a.R.– Compass and Ruler (also known as Z.u.L., which stands for the German "Zirkel und Lineal") — is a free and open source interactive geometry software that can do geometrical constructions in Euclidean and non-Euclidean geometry. The software is Java based. The author is René Grothmann of the Catholic University of Eichstätt-Ingolstadt. It is licensed under the terms of the GNU General Public License (GPL).

External links

C.a.R.
CaRMetal — it includes all of C.a.R. functionalities, but follows a different approach from the graphical interface point of view.
History of the C.a.R.
An elementary tutorial for using C.a.R.-generated Java Applets

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