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?
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!
Unexpected item in bagging areAAAARGGGHH here's 90p change in pennies
Not the new coin we want, but the new coin we need
Why the infamous acronym needs revising.
Can you wear them and be taken mathematically seriously?
Agony uncle Professor Dirichlet answers your personal problems this Christmastime.
Looking for a neat description of this useful matrix part-inverse
An easy equation to remember for your driving theory test, with dangerous consequences
Extending the million, billion, trillion system to much, much bigger numbers
Explaining how surface tension makes water form surprising shapes
Exploring mental arithmetic tricks in T. Martin's 1842 guide, 'Pounds, shillings and pence'
Chalkdust visits popular maths' biggest conference
Let's print your thesis in Comic Sans