GeoGebra - PowerPoint PPT Presentation

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GeoGebra

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Tool for Analytic Geometry: points, vectors, lines, conic sections. Nov 2002: ... B. Gabel, Deutschland. Spreadsheet in GeoGebra 3.2. Regression Lines & Polynomials ... – PowerPoint PPT presentation

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Title: GeoGebra


1
GeoGebra
  • Conference 2009
  • Markus HohenwarterFlorida State
    Universitymarkus_at_geogebra.org

2
Overview
  • Short History of GeoGebra
  • Future Plans
  • GeoGebraCommunity
  • International GeoGebra Institute

3
GeoGebra Short History
4
Computer Algebra Systems
Derive Mathematica
5
Dynamic Geometry Software
6
TI-92 DGS and CAS
7
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

8
Dynamic Worksheets
  • Version 2.1January 2004
  • Interactiveweb pages

9
2005 GeoGebra User Forum
www.geogebra.org/forum
10
GeoGebraWiki Free Materials
www.geogebra.org/wiki
11
Interactive Dynamic Worksheets
  • Quadratic test
  • Vectors

12
Animations in GeoGebra 3.2
B. Gabel, Deutschland
13
Spreadsheet in GeoGebra 3.2
14
Regression Lines Polynomials
15
Binomial Distribution
16
GeoGebraFuture
17
Future Plans
  • Make it Easier, Easier, Easier!
  • Drag Drop User Interface
  • Symbolic Algebra View (CAS)
  • 3D Graphics

18
GeoGebraCAS
In cooperation with theAustrian GeoGebra
Institute (AGI)with support of the Austrian
Ministry of Education
19
GeoGebra3D
Mathieu Blossier u.a., University of Rouen, France
20
GeoGebraCommunity
21
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

22
Visitors on www.geogebra.org
  • Up to 15.000 Visitors / Day
  • Up to ½ Million Visitors / Month

23
Behind the Scenes
  • 5 Core Developers
  • 15 Contributors
  • 45 languages
  • 100 Translators
  • 190 countries
  • 8500 LearningObjects

24
InternationalGeoGebra Institutesince 2008
25
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

26
Thank you!
  • GeoGebrawww.geogebra.org
  • International GeoGebra Institutewww.geogebra.org/
    igi
  • Slides of this talkwww.geogebra.org/talks
  • Markus Hohenwartermarkus_at_geogebra.org
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