More from Chalkdust
On the cover: cellular automataDiscover the meaning of the coloured squares on the cover of issue 13
Oπnions: Should I share my code?Scroggs debates whether sharing truly is caring
How do calculators do trigonometry?W.L. Feldhusen explains the obscure sine-finding trick hiding inside your calculator!
The sieve of Eratosthenes: revisitedHow can we teach people about the sieve in a way that helps them best understand prime numbers?
Advent puzzles IIIBehind today's door... a puzzle!
Mathematics: queen of the arts?Exploring the connection between maths and art.