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Old 03. Jul 2010, 08:01 PM   #1 (permalink)
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Default Free mathematics software for learning and teaching

1.GeoGebra is free and multi-platform dynamic mathematics software for all levels of education that joins geometry, algebra, tables, graphing, statistics and calculus in one easy-to-use package. It has received several educational software awards in Europe and the USA.
Quick Facts

* Graphics, algebra and tables are connected and fully dynamic
* Easy-to-use interface, yet many powerful features
* Authoring tool to create interactive learning materials as web pages
* Available in many languages for our millions of users around the world
* Free and open source software

http://www.geogebra.org/cms/

2.C.a.R. is dynamic geometry program simulating compass and ruler constructions on a computer. But on a computer, much more is possible.
-Ruler and compass constructions can be changed by dragging one of the basic construction points. The student can check the correctness of the construction and gain new insights.
-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.

C.a.R. works on all modern platforms. Constructions and assignments can be embedded into web pages easily. C.a.R. has been translated in many languages.

C.a.R. can be used free of charge, and the source is available under the GPL license.
http://zirkel.sourceforge.net/
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