More from Chalkdust
Dear Dirichlet, Issue 14
Football, telly and shape-shifting houses find their way into the prof's postbox this issue.Christmas puzzle #1: Christmas tree sudoku
Puzzle #1 in our 2020 Christmas puzzle seriesAdvent puzzles I
Behind the second door of the advent calendar, there is a puzzleIssue 04
Problem solving 101, proof by storytelling, plus the return of all your favourite fun pages in our autumn 2016 edition.Changing the status quo
Difficulties in designing a voting system for referendaSomewhere over the rainbow
Some mathematical questions you might have wondered every time you look at one of those rainbows