Prof. Michal Yerushalmy is the winner of the 2010 ISDDE prize for design in education, in particular for the project of Visual Math, which was thought by the prize committee to be a model of excellence in educational design on all dimensions. Click here for more details: http://www.isdde.org/isdde/prize10.htm Visual-math :Functions A new dynamic way for learning linear and quadratic functions. The web site contains activities, tools, and tasks for learning about the functions.