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dynamic geometry software with highly ergonomic UI

Based on the C.a.R. (Compass and Ruler) project, CaRMetal includes all of its functionalities - or almost. It propose a different approach from the graphical interface point of view.

Here's the C.a.R. presentation: - Ruler and compass constructions can be changed by dragging one of the basic construction points. The construction follows immediately. The student can check the correctness of the construction and gain new insight. - Tracks of points and animated constructions can help to understand geometric relations. Tracks can be used as new objects to explore. - With the macros of C.a.R. very complicated constructions become possible. Macros are also a way to organize the geometric thinking. - Hiding construction details and using colors make constructions clearer to read. In C.a.R. lines and circles can also be reduced to the relevant points. - Arithmetic computations, numerical solutions, curves and functions go beyond classical constructions. It is even possible to construct in 3D using advanced macros. - Other geometries, hyperbolic or elliptic, can be explored.

Package version:


carmetal for Debian
The carmetal script shell used to launch carmetal uses default java if it's openjdk-6 or cacao-oj6 one. Else it will uses installed opejdk-6 or installed cacao-oj6. 
Set CARMETAL_JAVA environnment variable to use other java.

.zir and .zirz files are normal file from CaRMetal. Type-mime are for them set so you can open them just by clicking.

.job and .jobz 


CARMETAL(1)                                              CARMETAL(1)

       carmetal — dynamic geometry software

       carmetal [file.zir[z]]

       This manual page documents briefly the carmetal command.

       This  manual  page  was  written  for the Debian distribution
       because the original program does not have a manual page.

       carmetal is a di


carmetal ( unstable; urgency=low

  * New upstream release
  * Closes: #523148

 -- Yves Combe <>  Fri, 17 Apr 2009 22:14:51 +0200

carmetal (2.8.9.dakbug-1) unstable; urgency=medium

  * Not really new upstream release
  * Closes: #499240

 -- Yves Combe <>  Sun, 21 Sep 2008 09:03:57 +0200

carmetal (2.8.9-4) unstable; urgency=low

  * fix stupid bug in lau


This software was downloaded from and it contains part of C.a.R.

Browse inside carmetal_2.9.8.2-1_all.deb

         [DIR]DEBIAN/ (4)  65535+ mirrors
         [DIR]usr/ (3)  65535+ mirrors

Download carmetal_2.9.8.2-1_all.deb

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