On this page more creations of other topics and GeoGebra Books are exposed.
1. example (GER)Task: construct a model of this windwheel that rotates in my garden!
Result: model created by Silas (GER)
2. example (IT)Book "Quadratic Growth" -> GO HERE
Maybe an idea for other classes! A lot of opportunities to calculate area aor deal with fractions.Monika, GER