%0 Journal Article %T User Interface Design For Dynamic Geometry Software %A Ulrich Kortenkamp %A Christian Dohrmann %J Acta Didactica Napocensia %D 2010 %I Babes-Bolyai University, Cluj-Napoca %X In this article we describe long-standing user interface issues with Dynamic Geometry Software and common approaches to address them. We describe first prototypes of multi-touch-capable DGS. We also give some hints on the educational benefits of proper user interface design. %K Human Computer Interaction %K Multi-Touch %K Gesture Recognition %U http://adn.teaching.ro/v3n2a6.htm