Quotable maths: Lennon Mar 22, 2012 A selection of other posts Mar 6, 2019 Ask Uncle Colin: Solving Trigonometric Equations May 31, 2017 Ask Uncle Colin: Powers and polar form Aug 24, 2016 Ask Uncle Colin: An elastic speed limit Oct 24, 2012 Book Review: Euler’s Gem, by David S Richeson subscribe via RSS