GeoGebraCommunity & Future

Zsolt LaviczaUniversity of Cambridge, UKzsolt@geogebra.org

Markus HohenwarterKepler University Linz, Austriamarkus@geogebra.org

GeoGebra

Overview

Short History

Community

Future

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

Forum & Wiki

Since 2005 15000

Worksheets

GeoGebraWiki User Forum

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

GeoGebra in Numbers

10 Developers 38 Institutes 50 languages 120 Translators 15.000 Online

Learning Objects Millions of Users in 190 Countries

GeoGebra

International GeoGebra Institute

Teacher training and supportOffer workshops & support

Material and software developmentShare free materials

ResearchEncourage and coordinate

collaborative research

May 2008, First IGI Meeting in Cambridge, UK

GeoGebra

Current GeoGebra Institutes more coming soon …

www.geogebra.org/community

GeoGebra

GeoGebra Events

www.geogebra.org/events

Individual Workshops

GeoGebra Conferences

Talks & Workshopsat other conferences

GeoGebra

Additional IGI activities Text books and online courses with integrated GeoGebra

materials in e.g. Australia, Austria, Belgium, Chile, France, Germany, Hungary, Norway, Singapore, Taiwan, USA

Book: Model-Centered Learning with GeoGebra: Theory and Practice in Mathematics Education

Journal Special Issues: Mathematics, Statistics, Operation Research Connections

On-line assessment: TAO (Luxembourg), WebWork (Rochester, NY), STACK (Birmingham, UK), GeoGebraTUTOR (Barcelona, Montreal)

Work in developing countries: SchoolNet Africa, African Institute for Mathematical Sciences, SA

Online journal: Connecting research and practice, USA, Canada

GeoGebra

GeoGebra‘sFuture

GeoGebra

Summer of CodeGrant for GeoGebra to support 5 open source

student coding projects in the summer of 2010

Philipp Birklbauer, Austria: Implicit Curves Sergio Rodriguez, Spain: Locus line equation Anjneya Varshney, India: GeoGebraTouch Andre Eriksson, Sweden: GeoGebra3D Florian Sonner, Germany: LayoutManager

GeoGebra

Implicit Curves: f(x,y) = 0

Philipp Birklbauer, Austria

GeoGebra

Locus Line Equation

Sergio Rodriguez & Miguel Abanades, Spain

GeoGebra

GeoGebraTouch

Michael Borcherds, UK & Yves Kreis, Luxembourg

GeoGebra

GeoGebra3D

Andre Eriksson, Sweden & Mathieu Blossier, France

GeoGebra

GeoGebraSpreadsheet

George Sturr, California

GeoGebra

GeoGebraCAS

Full integration of a symbolic view in GeoGebra

Dynamic updates of dependencies

Easy to use starting from age 13

GeoGebra

GeoGebraTube

Material Platform Direct upload from

GeoGebra Rating Comments

Florian Sonner, Germany

GeoGebra

GeoGebraMobile

GeoGebra Applets should work on Smartphones

iPhone, iPad, Android

Gabor Ancin & Zoltan Kovacs, Szeged, Hungary

GeoGebra

One Laptop per Child Project

Szeged, Hungary

GeoGebra

International GeoGebra Conference

Hagenberg near LinzAustria

29 - 31 August 2011 Release of GeoGebra 4

GeoGebraCASGeoGebraTubeGeoGebraMobile

GeoGebra

Thank you!

Slides of this talkwww.geogebra.org/talks

Markus Hohenwartermarkus@geogebra.org

Zsolt Laviczazsolt@geogebra.org