Geogebra Slideshow

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  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Markus.Hohenwarter@sbg.ac.at, 2004 - www.geogebra.at
  • Geogebra Slideshow

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

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