Quotable maths - Edison Apr 5, 2012 A selection of other posts May 17, 2021 The Last Banana Jul 29, 2019 Futility Closet, Fibonacci and Quadratic Residues Feb 4, 2019 The Dictionary of Mathematical Eponymy: Banach's Matchbox Problem Jan 16, 2013 How to think about co-ordinate geometry (Part III: Circles, tangents and so on) subscribe via RSS