More from Chalkdust
Significant figures: Sofya Kovalevskaya
Nora Koparan tells the story of the first female professor of mathematics
Dear Dirichlet, Issue 12
Books, business and barns are the topics readers have sent in to the professor's postbox this issue
Digging for roots in the complex plane
Bring your shovel, and dig with us to unearth some amazing results about polynomials
Chalkdust’s Christmas conundrums
As the festive season strikes again, we'll be dishing out more fiendish puzzles – this time with prizes!
Review of Elastic Numbers
We have a go at the puzzles in Daniel Griller's new book
Roots: All things being equal
The story of how we got the equals sign