I’m currently recovering from the exam I had this morning. Five hours of full concentration takes some energy. After relaxing and eating sweets the vitals are slowly returning to normal 
The exam was in the discrete (the continuous exam took place two months ago) part of Signaler och System. Sorry, but I don’t know the English name. The course was mostly about Fourier- and z-transform and synthesis of filters. I probably passed the exam even if thou I probably should have studied more yesterday. But that’s the price you’ll have to pay to hear Apple praise their own software 
Now I’m gone take today of, so I can study tomorrow for my exam in Concurrent Programming, Operating Systems and Real Time Operating Systems on Monday. Happy holiday!
