C.a.R.

This article is about geometry software. For other uses, see car (disambiguation).
C.a.R.
Original author(s) Eric Hakenholz,
Rene Grothmann
Written in Java
Operating system Linux, Microsoft Windows, Mac OS X
Type Interactive geometry software
License GNU General Public License
Website zirkel.sourceforge.net
sourceforge.net/projects/zirkel/

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 Rene Grothmann of the Catholic University of Eichstätt-Ingolstadt. It is licensed under the terms of the GNU General Public License (GPL).

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