In 2011 I met for the first time Professor Zsolt Lavizca at DIFIMA conference in Turin.
The year after myself and Federico Fabrizi received the proposal to deliver a keynote lecture at the International GeoGebra conference in Warsaw.
The post collects all the material prepared for the lecture.
Presentation Slides
Streaming of Presentation
Meeting with Professor Markus Hohenwarter (Creator of GeoGebra)
During the conference I was pleased to meet personally Professor Markus Hohenwarter, creator of GeoGebra. My friend Federico and myself gave him as a present a personalized geogebra T-Shirt, with the geogebraitalia logo.
Prof. Balazs Koren, Prof. Zsolt Lavizca, Pietro Pennestrì