More from Chalkdust
In conversation with Ulrike Tillmann
Sophie Maclean and David Sheard speak to a very top(olog)ical mathematician!
7 ways to tell if a number is divisible by 7
Łukasz takes us on a tour through a surprisingly diverse range of algorithms to test for divisibility by 7
Chalkdust issue 09 – coming 15 March
Read the magazine, and come to the launch party!
Summer puzzles
Have a go at these puzzles, adequate for your holidays!
The Mathematical Games of Martin Gardner
The great contributions of the man who started popular mathematics
The joys of the Jacobian
Robert Smith? tells us how his favourite matrix saves lives