Does it exist a free interactive geometry software, like GeoGebra, which works for 3D geometry? I would be able to draw spheres, great circles, and so on.
3D software like GeoGebra
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geometry
math-software
education
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0Perhaps you will get a better answer if you post at tex-latex.stackexchange.com – 2010-09-03
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1Well, I am searching for an interactive software. ArchimedesGeo3d (http://en.wikipedia.org/wiki/Archimedes_Geo3D) seems quite good. – 2010-09-03