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Dear Dirichlet, Issue 14
Football, telly and shape-shifting houses find their way into the prof's postbox this issue.
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Make your own Ecki
Top Ten: Mathematical celebration days
The definitive chart of the best dates
Chalkdust’s Christmas conundrums
As the festive season strikes again, we'll be dishing out more fiendish puzzles – this time with prizes!
Which mathematician are you?
Behind today's door... a quiz!
How to tile a chessboard
Introducing polyominoes