Quotable Maths: Smith Oct 25, 2012 Pure mathematics, may it never be of any use to anyone. - HJS Smith A selection of other posts Nov 23, 2020 A proof without words Aug 15, 2018 Ask Uncle Colin: A Trigonometric Proof May 7, 2018 The Mathematical Ninja and the SSNs Sep 12, 2016 Some interesting confusion subscribe via RSS