GEWIS, the study association of the department of Mathematics and Computer Science organizes a lot of activities for students. She organizes the introduction program for first-year students, congresses, sports events and excursions, in the Netherlands and abroad. GEWIS is involved in the study program and other study matters in the department. The association has her own location with facilities in the department where students can stay during lunch breaks and during the weekly drink.

More information at the website of GEWIS.