Add new comment

Permalink Submitted by Anonymous on September 23, 2014

I'm embarrassed to report that your solutions for octals are correct after all. (Editor: Please remove that bit of my reply if you can!!)

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.

Myths of maths: The Monty Hall problem

This puzzle is famous because the accepted answer is counter-intuitive. But is it always correct?
Maths in a minute: Social distancing

How should people arrange themselves for maximal socialising at a safe distance?
Myths of maths: The golden ratio

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

How do mathematical models of COVID-19 work and should we believe them? We talk to an epidemiologist, who has been working flat out to inform the government, to find out more.
The Abel Prize 2020

This year's Abel Prize has been awarded to Hillel Furstenberg and Gregory Margulis.