Markus Hohenwarter: GeoGebra - A free math apps that created a global community

Markus Hohenwarter from the School of Education at Johannes Kepler University Linz talks in his speech about the free math app GeoGebra. GeoGebra was created by global community and was started over 15 years ago with a master's thesis that wanted to join math apps for geometry and algebra in one combined tool. Today, GeoGebra is a global community of teachers and students who have already shared more than 1 million interactive open educational resources on www.geogebra.org.

The lecture was recorded on June 25, 2018 at the OCCE.2018 in Linz/Austria.