instant run-off voting

A mathematical look at democracy.

Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

Amaze your friends! Astound your family!

We reveal some of the maths and magic hidden within a simple pack of cards!
Joining forces to fight COVID-19

Plus is proud to join forces with leading epidemiologists from the JUNIPER consortium.
Maths in a minute: The logistic map

Get a fish to teach you chaos theory!
The magic of shuffling

Want to shuffle like a professional magician? Find out how to shuffle perfectly, imperfectly, and the magic behind it.
Compound infections

Why does the number e appear in models of exponential growth?