4 months ago
Challenges that ask how would you do this with GeoGebra? What did you see? What did you think?
More: http://geogebrawiki.pbworks.com/Compass-and-Straightedge Use GeoGebra to do compass and straightedge constructions in exactly the same way as on paper except now the constructions are dynamic!
Tips for using GeoGebra
These videos show applets that use basic GeoGebra scripting.