An expert is a man who has made all the mistakes, which can be made, in a very narrow field.

- Niels Bohr

(Not necessarily a man, Niels. Not necessarily a man.)

## Colin

Colin is a Weymouth maths tutor, author of several Maths For Dummies books and A-level maths guides. He started Flying Colours Maths in 2008.
He lives with an espresso pot and nothing to prove.