5. GeoGebra Online Workshops - Google Education On Air

https://sites.google.com/site/eduonair/virtualization-for-chromebooks/hangout-schedule

April 12th 2013 Introduction to GeoGebra Chrome App
April 18th 2013 Using GeoGebra's Geometry View
April 24th 2013 Using GeoGebra's Algebra View
April 26th 2013 Using GeoGebra's Spreadsheet View
April 28th 2013 Fun with GeoGebra