GeoGebra

GeoGebra

Supporting Institutions

Johannes Kepler University Linz Mathematics Education RISC Austrian Ministry of Education Dr. Christian Dorninger, Dr. Reinhold Hawle, Mag. Eva Kasparovsky Pädagogische Hochschule Niederösterreich Mag. Walter Wegscheider Pädagogische Hochschule Oberösterreich Rektorin Dr. Ulrike Greiner Private Pädagogische Hochschule der Diözese Linz Rektor Dr. Hans Schachl

GeoGebra

MathemaTech

Group  Mathematics & Technology   Collaboration between JKU, PH OÖ, PH Linz Projects with PH NÖ  Supported by Ministry of Education  Activities  Research & development projects  Close collaboration with teachers & schools  Teacher training and professional development  International conferences

GeoGebra

GeoGebra

Conference Program

     Big program wins over small program in bag Conference Wiki  http://ggbconference2011.pbworks.com

 Twitter: use hashtag

#ggbconf

 Pictures: [email protected]

Parallel Sessions 15min Presentations, change freely Working Groups Continued discussions & informal presentations Austrian Teacher Workshops (in German)

GeoGebra

House Keeping

       Open Wireless Internet

GeoGebra

Interactive Whiteboards Promethean Board (Audimax), SMART Board (HS 6) Technical Problems: Call Klaus Schumann, see program Hotel: please pay on Mon or Tue Checkout Wed morning, Leave Luggage until 19h Monday 17h: Bus leaves for Excursion & Dinner Tuesday 19h: Castle Dinner with Music optional: sign up and pay TODAY at registration desk Questions & Souvenirs: Registration Desk

GeoGebra

Development Projects

Markus Hohenwarter Johannes Kepler University [email protected]

GeoGebra

50 Years

GeoGebra

GeoGebra 50 Years GeoGebra Development  2001 Markus starts coding  2005 Yves joins  2007 Mike joins  2011: 38 developers & 200 translators Celebrating 10 years of GeoGebra

If you want to go fast, go alone.

If you want to go far, go together.

 So what about the 50 years?

GeoGebra

Open Source Libraries

         MathPiper Reduce Apache Commons Mathematics Library FreeHEP Java Libraries EPS Graphics Library JLaTeXMath JUNG Tango Icon Gallery JSXGraph    The Computer algebra system Reduce was started in the 1960s by Anthony Hearn. Reduce has been open sourced in 2009 and is part of GeoGebra since 2011.

Thus, GeoGebra’s development really started

50 years

ago.

GeoGebra

Current

Projects

GeoGebra

GeoGebra Summer Projects

 GSoC & Local Grants  2010: 5 students  2011: 13 students

GeoGebra

Implicit Curves: f(x,y) = 0

Philipp Birklbauer, Darko Drakulic

GeoGebra

GeoGebra Spreadsheet

George Sturr

GeoGebra

www.GeoGebraTube.org

 Sharing Platform  Direct upload from GeoGebra  Rating  Comments  Embedding

Florian Sonner, Arpad Fekete, Judit Elias

GeoGebra GeoGebra & Interactive Whiteboards  Improve support for interactive whiteboards  Starting with Smart Board, others hopefully following soon

Michael Borcherds, Corinna Kröhn

GeoGebra

GeoGebraMobile

Gabor Ancsin, Zoltan Kovacs, Julian Lettner

 GeoGebra applets on smartphones  iPhone, iPad, Android, Kindle, etc.

GeoGebra

GeoGebra 4.2 with CAS View

 Full integration of a symbolic view in GeoGebra  Dynamic updates of dependencies  Easy to use starting from age 13

Simon Weitzhofer, Thomas Unterthiner

GeoGebra

GeoGebra 5 with 3D View

Mathieu Blossier, Andre Eriksson, Kai Chung Tam