Quotable maths: Pratchett Jul 26, 2012 A selection of other posts Nov 8, 2019 Wrong, But Useful, Episode 73 Aug 15, 2018 Ask Uncle Colin: A Trigonometric Proof Jun 13, 2017 Wrong, But Useful: Episode 45 Mar 14, 2017 Wrong, But Useful: Episode 42 subscribe via RSS
