Maths can help you make the best of things!

How to solve a tricky problem using a picture.

Find out how maths helps to feed the world.

It's not that long ago that all you needed to run an airline was a few planes and some competent pilots. But now, with more of us zipping around the globe every year and the advent of no frills airlines, keeping an airline competitive has become a complicated business. Christine Currie explains how your airfare is calculated.