Graphing calculators have a lot of features, and since students also use them during lessons it would be very difficult to suddenly use an entirely different in

Graphing calculators have a lot of features, and since students also use them during lessons it would be very difficult to suddenly use an entirely different interface during exams. In the Netherlands we also had to have calculators during exams, because some questions just need a calculator to be solved. Especially for stuff like calculus plotting graphs is really useful.