Quotable maths: Russell Mar 8, 2012 A selection of other posts Apr 8, 2020 Ask Uncle Colin: Incircles Feb 24, 2016 Ask Uncle Colin: How do we know the digits of $\pi$ don't recur? Jan 6, 2014 Wrong, But Useful: Episode 10 Sep 4, 2013 The Mathematical Pirate's guide to the Chain Rule subscribe via RSS