From the category archives:

GeoGebra

GeoGebra has just received the prestigious Tech Award

by Bill Lombard on 1 December, 2009

First North American GeoGebra Conference – Ithaca, New York

by Bill Lombard on 4 October, 2009

GeoGebra Has New Features – Even More of a Good Thing

by Bill Lombard on 12 August, 2009

CMC-S (Palm Springs) and CMC-N (Asilomar) GeoGebra Updates

by Bill Lombard on 26 November, 2008

GeoGebra and the Varignon Parallelogram – Beauty, Structure, and Simplicity

by Bill Lombard on 7 February, 2008