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At Sixes and Sevens
We review the fourth of this year’s nominees for the Book of the Year
Chalkdust issue 11 puzzle hunt #4
Humbug sets the fourth puzzle. Can you solve it?
What can you do with this space?
Nobody could draw a space filling curve by hand, but that doesn’t stop Andrew Stacey
The sieve of Eratosthenes: revisited
How can we teach people about the sieve in a way that helps them best understand prime numbers?
Dear Dirichlet, Issue 02
Moonlighting agony uncle Professor Dirichlet answers your personal problems.
What makes a good puzzle?
If you enjoyed Hannah's sweets then you'll love these...