David Wetzel on May 21st, 2009

GeoGebra is a free dynamic mathematics software for grades 6 - 12 which joins Arithmetic, Geometry, Algebra, and Calculus.
On the one hand, GeoGebra is an interactive Geometry system. You can do constructions with points, vectors, segments, lines, conic sections as well as functions and change them dynamically afterwards. On the other hand, equations and coordinates [...]

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