The final grade is determined by a written exam. Unless there are very few participants, in which case we will offer an oral exam. See the exam page for more details. Exercises are voluntary and do not account for the final grade. They are however highly recommended.
In the written exam you can reach up to 40 points corresponding to the following grades:

[36,40] points: 1,0
[34,36) points: 1,3
[32,34) points: 1,7
[30,32) points: 2,0
[28,30) points: 2,3
[26,28) points: 2,7
[24,26) points: 3,0
[22,24) points: 3,3
[19,22) points: 3,7
[17,19) points: 4,0
[11,17) points: 4,3
[5,11) points: 4,7
[0,5) points: 5,0