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My favourite LaTeX packageThe Chalkdust editors share some of their favourites
In conversation with Ulrike TillmannSophie Maclean and David Sheard speak to a very top(olog)ical mathematician!
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Chalkdust issue 11 puzzle hunt #3David Sheard sets the third puzzle. Can you solve it?
On the cover: Apollonian packingDavid Sheard explores the rich mathematics and history behind the Apollonian packing, and the cover of issue 11
You can count on DirichletCounting the divisors of an integer turns out to be a rather hard problem