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Colin counts Countdown's contingent of conundrum causing calculations
The Art of Logic
We review the third of this year's nominees for the Book of the Year
Christmas competition #1: ‘You can’t polish a nerd’
Win a DVD boxset from Festival of the spoken nerd in our first Christmas competition!
Christmaths carols I
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In conversation with Ian Stewart
We speak to one of Britain's most successful popularisers of maths
Newsletter puzzles
These puzzles appeared in the Chalkdust newsletters. You can find the answers here and sign up for the newsletter here.