More from Chalkdust
Who needs differentiation?
Paddy MacMahon calculates tangents and turning points without calculus
In conversation with Martin Hairer
We talk to the Fields medallist about his life, his work and his advice to his younger self.
Prize crossnumber, Issue 11
£100 of MathsGear goodies to be won if you can solve it
The history of pi
What is pi? How do we define it and who first thought of it? We explore the history of this quintessential mathematical constant.
Crossnumber winners, issue 03
Are you a winner?
Constructing a sphere with 455 cups
Paper cups do not follow a hexagonal pattern and the cones do not meet at a single point, but they do make a gigantic sphere