Comments:GGB NCTM USA 2013
From GeoGebra Manual
GGB NTCM USA 2013
GeoGebra Pre Conference before NTCM
April 17-20, 2013 • Colorado Convention Center • Denver, Colorado (Registration will open in early November)
GGB NTCM USA 2013
GeoGebra Pre Conference before NTCM
April 17-20, 2013 • Colorado Convention Center • Denver, Colorado (Registration will open in early November)