We must start and end at one of the bottom points
More from Chalkdust
Danny Chung Does Not Do Maths
We review the first of this year's nominees for the Book of the Year
Roots: Pythagoras of Samos
Pythagoras gave us so much more than a² + b² = c²
Names for large numbers
Extending the million, billion, trillion system to much, much bigger numbers
Cracking the Guess Who? board game
Maths and Decision Theory to be the best at playing Guess Who?
Page 3 model: Traffic flow
Ever been stuck in motorway traffic which seems to have no reason? A model for traffic flow explains why.
The joys of the Jacobian
Robert Smith? tells us how his favourite matrix saves lives