More from Chalkdust
Formal sums
Nik Alexandrakis explains what they are and what they can tell usTop Ten: issues of Chalkdust
The definitive chart of the best issues of ChalkdustIn conversation with Olubunmi Abidemi Fadipe-Joseph
Meet Olubunmi Abidemi Fadipe-Joseph, an active promoter for women in mathematics from NigeriaCat among the pigeons
Some interesting observations with the pigeonhole principleRoots: Mary Somerville
Mary Somerville fights against social mores to become one of the leading mathematicians of her time.How many cups does it take to make a sphere?
The Chalkdust team set you a challenge, for which the prize is a £25 Amazon voucher...