Content about “irrational number”

This article explores this most beautiful of numbers. Find out its definition, why its value can only ever be approximated, what it has to do with waves, and why it contains the history of the Universe. 

We celebrate pi day with a look at the number itself as well as some of its fellow numbers we particularly like.

The golden ratio has many amazing properties. But is it really a secret of nature and the epitome of beauty?

Here's one of the most elegant proofs in all of maths. Rejoice in its simplicity!

The Plus anniversary year — A word from the editors

Nineteenth-century German mathematician Leopold Kronecker once said God created the integers, all the rest is the work of man.