A small video exposing what can be done with this new coming feature of DrGeo: http://squeak.ofset.org/drgeo/script-tangente.ogg
By the way, although we hit there senior high school curriculum with this example, it is at heart programming as thought by OLPC project and how to make it accessible and fun for teachers and learners.
More to come...
Hilaire
squeakland@lists.squeakfoundation.org