Hi, Okay this one is really a complex one[1], but Dr. Geo scripts are definitely not 2 lines of code, but Smalltalk code[2] :)
In a few words, it is a sketch for primary school learners. The student must build some expected polygons and the Dr. Geo script provides the appropriate textual and graphic feedback. Video demo: https://plus.google.com/+DrgeoEu/posts/CbXLuWhms8E Hilaire [1] How to decide two collections of points represent the same polygon? And we have to deal with point being Float... [2] Sketch file on request -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu
