Link collection
Here you will find many important links about studying.
Sickness Certificate
If you get injured at university or on the way to or from the university, you are insured by the employers' liability insurance association. In this case you have to go to a transit doctor.
Medical certificate confirming that you are unable to take the exam
LaTex
In physics, scientific papers are mainly written with the free LaTex program.
General information can be found in the Wikipedia article.
The " LyX" program is recommended for beginners.