I’ve been working on this Maths Challenge all day. It wasn’t actually very hard this year, however it took a long time to think how to explain everything, particularly question 4. I got it all sorted in the end, though.
I'm a PhD student in mathematics, but apart from that, I'm a fairly normal guy. I used to write a wrote a blog - this blog. I write (wrote) about whatever is on my mind. It can get quite personal sometimes.