Computer Science Center (Room 2015)
If you don't want to come by on good luck, ask by mail or phone, even at short notice.
Fachschaft Mathematik/Physik/Informatik an der RWTH Aachen Außenstelle Informatikzentrum Ahornstraße 55, Raum 2015 52074 Aachen Germany
If you don't know how to get to the computer science center, you can follow the directions of the computer science department.
The room 2015 is located on the ground floor of the so-called old building, on the way between the lecture hall AH I and the canteen.