1. The use of GeoGebra at the exams in Norway Arne Amdal Norwegian University of Science and Technology (NTNU) Trondheim, Norway

3. This is the new new model: The most theoretical courses in upper secondary: – 3 hours with pencil and paper – 2 hours with all tools specific requirements regarding which tools in certain excercises CAS and grapher

4. The other courses in upper secondary, and also lower secondary : – 2 hours with pencil and paper – 3 hours with all tools specific requirements regarding which tools in certain excercises spreadsheet and grapher

5. CAS can trivialize problems CAS in time consuming problems CAS in «impossible» problems

7. b) Jeg skrev likningene inn i CAS-delen i GeoGebra. Jeg markerte dem og klikket på x= Trekanten har lengder 15/2, 10 og 25/2.

8. There are three trees in the schoolyard. They are corners in a triangle. Petter measures the distances between them to be 14,0m, 20,0m and 24,0m Use CAS to determine the area of the triangle