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GeoGebra is an internationally acclaimed dynamic maths program for education. It is free and multi-platform marrying geometry with algebra(hence its name).


project pages [ 1 ][ 2 ]


GeoGebra on the Net : a show-case of math projects from across the world:


matrix addition of vectors Linda Fahlberg-Stojanovska U.S.A.
circles, subtended angles from arcs,chords Guy Barmoha U.S.A
angles between two intersecting lines Alginon U.K.
external angle of a triangle equals sum of int. opps. angles Alginon U.K.
parallelogram properties David Freeston Australia


Experiment with the controls to make your own project. You can save any work to your computer.

GeoGebra software is available FREE to download to you computer here to use whenever you wish.


A FREE resource



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