GeoGebra

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GeoGebra

GeoGebra 3.0.3.0
Developer(s)	Markus Hohenwarter
Stable release	3.2 / 2009-06-02; 5 months ago
Operating system	Cross-platform
Platform	Java
Type	Interactive geometry software
License	GPL, though the license for the language files is cc-by-nc-nd[1].
Website	http://www.geogebra.org/

GeoGebra is a free interactive geometry software for education in schools. Its creator, Markus Hohenwarter, started the project in 2001 at the University of Salzburg and is continuing it at Florida State University. GeoGebra is written in Java and thus available for multiple platforms.

Contents 1 Dynamic Geometry, Algebra and Calculus 2 Teaching Materials 3 Support 4 Awards 5 References

[edit] Dynamic Geometry, Algebra and Calculus

GeoGebra is dynamic geometry software. Constructions can be made with points, vectors, segments, lines, polygons, conic sections, and functions. All of them can be changed dynamically afterwards. Elements can be entered and modified directly on screen, or through the command line. GeoGebra has the ability to use variables for numbers, vectors and points, find derivatives and integrals of functions and has a full complement of commands like Root or Extremum. Teachers can use GeoGebra to make conjectures and prove geometric theorems.

[edit] Teaching Materials

The GeoGebraWiki is a free pool of educational materials for the dynamic mathematics software GeoGebra. Preview a few dynamic worksheets created with GeoGebra, these and other worksheets can be found in the English section of GeoGebraWiki.

• Circles Domain and Range
• Absolute Value Domain and Range
  Visualizing Domain and Range
• Inscribed Angle
  Investigation of an angle inscribed in a circle
• Inscribed Angle Practice
  Practice worksheet for an angle inscribed in a circle
• Triangle Angle Sum Theorem
• Triangle Exterior Angle Theorem
  Investigating Triangle Angle Properties
• Point-Slope form
• Slope-Intercept form
  Investigating Linear Equations

[edit] Support

• GeoGebra Help Page - user manuals and tutorials
• GeoGebra User Forum - a place to discuss questions concerning the use of GeoGebra

[edit] Awards

• EASA 2002: European Academic Software Award (Ronneby, Sweden)
• Learnie Award 2003: Austrian Educational Software Award (Vienna, Austria)
• Digita 2004: German Educational Software Award (Cologne, Germany)
• Comenius 2004: German Educational Media Award (Berlin, Germany)
• Learnie Award 2005: Austrian Educational Software Award for Andreas Lindner (Vienna, Austria)
• Les Trophées du Libre 2005: International Free Software Award, category Education (Soisson, France)

[edit] References

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