More from Chalkdust
Issue 14
Venn diagrams, retrograde chess, and behind-the-scenes Christmas lectures all feature in our autumn 2021 edition. Plus all your favourite puzzles & columns.
Christmas puzzle #3: Colouring by numbers
Puzzle #3 in our 2020 Christmas puzzle series
Page 3 model: Frictional unemployment
Modelling unemployment using simple differential equations!
Top Ten: Geometry instruments
The definitive chart of the best tools
Crossnumbers and cross products
A crossnumber clue takes us plunging headfirst towards projective geometry
Advent Calendar: 24 December
It's the last day of the Chalkdust advent calendar, so there must be something very good behind today's door...