GeoGebra is free dynamic mathematics software for all levels of education that joins geometry, algebra, graphing, and calculus in one easy-to-use package.

Quick Facts:
• Graphics, algebra and spreadsheet are connected and fully dynamic.
• Easy-to-use interface, yet many powerful features.
• Authoring tool to create and share interactive online learning materials.
• Available in many languages for our millions of users around the world.
• Free and open source math/maths software.