More from Chalkdust
Chalkdust issue 16 – Coming 9 November
Hear ye! Hear ye! Chalkdust Magazine issue 16 is launching, full of mathematical joy and curiosity.
Crossnumber winners, issue 09
Did you solve it?
Cat among the pigeons
Some interesting observations with the pigeonhole principle
Making your own papercupter
Next time you are finished using a paper cup, create your own papercupter!
Find your perfect partner
Find your perfect partner with this wonderful tree diagram!
Advent puzzles III
Behind today's door... a puzzle!