The Journal of Online Mathematics and Its Applications, Volume 7 (2007)
GeoGebra, Markus Hohenwarter and Judith Preiner

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If you would like to learn more about GeoGebra or download the software please visit The GeoGebra Help Page provides documents that will help you get started and create teaching materials. Advanced users may also be interested in the JavaScript interface of GeoGebra applets, which gives you a lot of flexibility to create interactive and dynamic figures and exercises. Finally, there is GeoGebraWiki, a free pool of teaching materials, and the GeoGebra User Forum where you can discuss your questions and ideas with others.