Hoe kunnen we je helpen?

Bart

Recente activiteit van Bart

(1) Allow one to finish an old course (2) Issue a certificate after successfully finishing a course
1. Community
2. Content Requests and Feedback
With the introduction of the new High-school physics course, almost all my Mastery points are gone :(Therefore two related requests:(1) When replacing a course, make the old course still available,...