If you’ve ever flown across the world, you’ll know one thing for sure: it’s a very, very long way. It’s not the biggest planet in our solar system by a long way, but in terms of the perspective of a ...

The famous mathematical ratio, estimated to more than 22 trillion digits (and counting), is the perfect symbol for our species’ long effort to tame infinity. By Steven Strogatz This article, ...

Sometimes we need to know how to calculate values for specific sections of a circle. These can include arc lengths, the area and perimeter of sectors and the area of segments. Loci and constructions – ...