On Thursday, January 9, 2020, the time has come again: Thousands of prospective students will come to Basel and visit the Oops, an error occurred! Code: 20251030145139f3bfbd55 (link is only available in German) at the University of Basel. The Department of Mathematics and Computer Science presents itself from 9:00 a.m. at Kollegienhaus as well as Bio- and Pharmaceutical Center, where lecturers and students will be happy to answer questions. In addition, prospective students have the opportunity to visit the Department at Spiegelgasse 1 to get a deeper insight. The visit can be designed freely and individually.