Mathematics – Harder than heart surgery

I may be as intelligent as a 14 month old baby with Alzheimer's disease but I do know a couple of things about a couple of things. Mathematics is definitely not one of them. If you ever want to massively confuse the bejaysus out of me, ask me about mathematics and watch as I become as useful as a chocolate teapot. Jill Y has been threatening to teach me about it for a long time but her teaching methods can have some far reaching consequences. The last person she taught, will never forget the experience: