More from Chalkdust
Borwein integrals
Aimen Khan ponders how patterns break down
Issue 18
Twitch streaming, abacuses and Pascal's secrets feature in our AW23 issue! Plus all your favourite puzzles & columns.
Christmas puzzle #1: Christmas tree sudoku
Puzzle #1 in our 2020 Christmas puzzle series
What’s hot and what’s not, issue 07
Fashion is fleeting, Chalkdust regulars are not.
Advent puzzles IV
Behind today's door... a puzzle!
Advent facts I
Santa's sack of scientific surprises