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GeoGebraDynamic Mathematics, its Community
Markus HohenwarterMathematics EducationJKU Linzmarkus@geogebra.org
GeoGebra
Overview
Short History Examples
Community Projects
GeoGebra
GeoGebra‘sHistory
GeoGebra
Computer Algebra Systems
Derive Mathematica
GeoGebra
Interactive Geometry Software
GeoGebra
GeoGebra = Geometry & Algebra
2001/02Master’s Project Univ. Salzburg
Version 1.0April 2002
Tool for Analytic Geometry: points, vectors, lines, conic sections
GeoGebra
Dynamic Worksheets
Version 2.1January 2004
Interactiveweb pages
GeoGebra
GeoGebra Examples
GeoGebra
Vectors & Images
GeoGebra
Theo Jansen’s Beach Beast
GeoGebra
Fake-3D with GeoGebra 3.2
GeoGebra
Parameter Investigations
GeoGebra
Trace of Slope Function
GeoGebra
Regression
GeoGebra
Newton’s Method
GeoGebra
Randomised Exercises
Parabolas
Vectors
GeoGebra
GeoGebra‘sCommunity
GeoGebra
Visitors on www.geogebra.org
Visitors: 20.000/Day or 600.000/Month Downloads: 10.000/Day or 300.000/Month From 190 Countries & Territories
GeoGebra
GeoGebraWiki
15,000 free learning objects
www.geogebra.org/wiki
GeoGebra
GeoGebra in Numbers
10 Developers 30 Institutes 50 languages 120 Translators 15.000 Online
Learning Objects Millions of Users in 190 Countries
GeoGebra
GeoGebra Current Projects
GeoGebra
GeoGebraTube
Material Platform Direct upload from
GeoGebra Rating Comments
GeoGebra
GeoGebraTouch
GeoGebra
GeoGebraMobile
GeoGebra Applets should work on Smartphones
iPhone, Android, Windows Phone 7
GeoGebra
GeoGebra3D
University of Rouen, France
GeoGebra
GeoGebraCAS
Full integration of a symbolic view in GeoGebra
Dynamic updates of dependencies
Easy to use starting from age 13
GeoGebra
GeoGebraCAS - Design
GeoGebra
GeoGebraCAS
CAS Engine(s)MathPiper, Maxima, ...
GeoGebra
Command Translations
MathPiperD(x)a*x^3
GeoGebraCAS Derivative[a x3, x]
Maximadiff(a*x^3,x)
-> 3*a*x^2-> 3*a*x^2
GeoGebraCAS3a x2
GeoGebra
Summer of Code 5 student projects supported by Google
Grant for GeoGebra as open source project
Austria, Germany, India, Spain, Sweden Locus Line Equations
Sergio Arbeo. Mentor: Miguel Abánades
Universidad Complutense Madrid, Spain Plotting of Implicit Curves
Philipp Birklbauer, JKU
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