GeoGebra

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GeoGebra

• Conference 2009
• Markus HohenwarterFlorida State
  Universitymarkus_at_geogebra.org

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Overview

• Short History of GeoGebra
• Future Plans
• GeoGebraCommunity
• International GeoGebra Institute

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GeoGebra Short History
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Computer Algebra Systems
Derive Mathematica
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Dynamic Geometry Software
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TI-92 DGS and CAS
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GeoGebra Geometry Algebra

• 2001/02Masters Project Univ. Salzburg
• Version 1.0April 2002
• Tool for Analytic Geometry points, vectors,
  lines, conic sections
• Nov 2002 European Academic Software Award

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Dynamic Worksheets

• Version 2.1January 2004

• Interactiveweb pages

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2005 GeoGebra User Forum
www.geogebra.org/forum
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GeoGebraWiki Free Materials
www.geogebra.org/wiki
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Interactive Dynamic Worksheets

• Quadratic test
• Vectors

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Animations in GeoGebra 3.2
B. Gabel, Deutschland
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Spreadsheet in GeoGebra 3.2
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Regression Lines Polynomials
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Binomial Distribution
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GeoGebraFuture
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Future Plans

• Make it Easier, Easier, Easier!
• Drag Drop User Interface
• Symbolic Algebra View (CAS)
• 3D Graphics

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GeoGebraCAS
In cooperation with theAustrian GeoGebra
Institute (AGI)with support of the Austrian
Ministry of Education
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GeoGebra3D
Mathieu Blossier u.a., University of Rouen, France
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GeoGebraCommunity
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Open Source gt Freely Available

• Available free of charge for everyone in Schools
  and at Home
• Online Collaboration
• International Community
• User Forum Users help Users
• GeoGebraWiki Pool of Shared Materials
• Expandable by using other Open Source Libraries

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Visitors on www.geogebra.org

• Up to 15.000 Visitors / Day
• Up to ½ Million Visitors / Month

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Behind the Scenes

• 5 Core Developers
• 15 Contributors
• 45 languages
• 100 Translators
• 190 countries
• 8500 LearningObjects

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InternationalGeoGebra Institutesince 2008
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International GeoGebra Institute

• Goals of IGI (www.geogebra.org/igi)
• Teacher training and support
• Material and software development
• Research projects and collaboration
• Local GeoGebra Institutes in
• Austria, Brazil, Denmark, Hungary, Norway,
  Poland, Portugal, Spain, Turkey, UK, USA
• MSOR Connections special issue, Book Model
  Centered Learning, GeoGebra Conference

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Thank you!

• GeoGebrawww.geogebra.org
• International GeoGebra Institutewww.geogebra.org/
  igi
• Slides of this talkwww.geogebra.org/talks
• Markus Hohenwartermarkus_at_geogebra.org