More from Chalkdust
Top Ten: Mathematical Monties
The definitive chart of the best montiesChalkdust issue 13 – Coming 1 May
A great start to the month of MayingCrossnumber winners, Issue 08
Did you solve it?Why knot?
You can un-knot a knot, by cutting it not?Puzzles, Issue 03
Solve the puzzles that appeared in Issue 03.Dear Dirichlet, Issue 01
Moonlighting agony uncle Professor Dirichlet answers our readers' personal problems.