Quotable maths - Hilbert Apr 19, 2012 A selection of other posts Jul 29, 2020 Ask Uncle Colin: A Sum With An Unknown Mar 14, 2016 The Mathematical Ninja finds the value of $\pi$ Sep 29, 2014 Estimating $e$ Feb 1, 2012 Why SOH CAH TOA is stupid (and what you can do instead) subscribe via RSS