"After you have registered (for FREE!), you can get access to all the PowerPoint and PDF learning and teaching modules, books, experiments, worksheets with memos etc
"GeoGebra (www.geogebra.org) is free dynamic mathematics software for all levels of education that brings together geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. Interactive learning, teaching and evaluation resources created with GeoGebra can be shared and used by everyone at www.geogebratube.org.
GeoGebra is the world's favorite dynamic mathematics software, has received numerous educational software awards, and supports STEM education and innovations in teaching and learning worldwide.
Join us. Dynamic Mathematics for Everyone.
* Free to use software for learning, teaching and evaluation
* Fully interactive, easy-to-use interface with many powerful features
* Access to an ever-expanding pool of resources at www.geogebratube.org
* Available in many languages
* A fun way to really see and experience mathematics and science
* Adaptable to any curriculum or project
* Used by millions of people around the world"