Silly Questions Amnesty Jan 18, 2013 Go on, give me a question. You know you want to! A selection of other posts Apr 22, 2020 Ask Uncle Colin: Two trig identities Oct 1, 2018 The Mathematical Ninja and the Cube Root of 4 Dec 9, 2015 Ask Uncle Colin: Cambridge! Nov 9, 2012 Silly Questions Amnesty subscribe via RSS