[b][color=#9900ff]Early bird registration deadline:[/color][/b] 30 April 2015
[color=#9900ff][b]Late registration deadline:[/b][/color] 31 May 2015
[b]
[color=#9900ff][url=http://tube.geogebra.org/student/bDgPocAYy#material/667927]Abstract submission[/url] deadline: [/color][/b]15 April 2015
[color=#9900ff][b]Gathering:[/b][/color] 15 - 17 July 2015
