From doodles to networks
More from Chalkdust
Dear Dirichlet, Issue 21
Suits, sofas and sculptures punctuate the prof's postbag this issue
Prize crossnumber, Issue 18
Can you solve it?
Thinking outside outside the box
Rob Eastaway joins the dots.
Christmas conundrum #3
Try our nonograms! And remember, not all puzzles have a unique solution...
What should you get a mathematician for Christmas?
Behind today's door... The Chalkdust guide to Christmas presents
Maths at EMF camp
Exploring the maths on offer at this year's UK hacker festival.