
Ben Walker, Adam Townsend & Andrew Krause invite you to play with their fun online PDE visualiser

The Chalkdust editors share some of their favourites

How big is the biggest cow?

Adam Townsend sets the fifth and final puzzle. Can you solve it?

More sartorial inquisition for your feet

Should you ask Santa for 'Ice Col' Beveridge's encyclopedic tome this festive period?

Chalkdust descends upon the UK's largest pop maths gathering and tells you what you missed

A summer essential or an embarrassment risk on the streets of Ibiza?

Write down a quadratic. What is the probability that it factorises? Paging Prof. Dirichet...

We take a look at the top 10 emojis!