"In the 59 years I've been on the planet, MathsConf has been the best day of maths ed I've ever experienced. Thank you so much, one and all! Still on a high... "
Our cake competition is always a highlight of the day. Dozens of delegates battle it out to be crowned the winner of the maths-themed cake bake-off.
Be sure to check out your colleagues' handywork on Twitter at #MC31Cake. And, of course, remember to tweet a picture of your own cake before you finish it all! We know how delicious they are!