Computer Olympiad / Rekenaarolimpiade

If you do not see a button below to start the competition:

Make sure you are logged in.
then select "Account" (top right of your screen) and make sure that you’ve selected your grade correctly.

Otherwise start the contest by clicking the "Round 1 (Grade#)" button below. Note that the clock starts running as soon as you click the button below.

Learners may only participate between 06:00 to 18:00, from 16 to 20 August.