I had my last ever exam yesterday, and I thought that I managed to do fairly well although it was a tough one. They weren't nearly as good this year as last year, but hopefully I'll have done enough to get the First I need. We had a good night out last night too, and the majority of the class came along for a change. Now it's time for the waiting game. Hopefully they get them marked quickly!
Some of the stats will be fairly straightforward. IIRC, there are a few bits which are repetitions of things you'll have done in first year.
I found maths pretty good in the first semester, but I really didn't enjoy it in the second half of the year. It was those courses which put me off continuing any further with maths. You'll be looking forward to proving that 2 > 1 and that 0 exists in Foundations of Real Mathematics (I think that's what it's called). Then you have Introduction to Real Analysis (which amusingly was called Introduction to Real Anal on the exam timetable), which none of us really understood, but which we all managed to get good grades in. From the sounds of things, you're studying the Cryptography and Number Theory module too - it is piss easy compared to the rest.