Quotable maths: Pratchett Jul 26, 2012 A selection of other posts Apr 8, 2019 Heads, Tails and Bumpsdaisy, revisited Jan 2, 2019 Ask Uncle Colin: A Strange Simultaneous Equation Nov 11, 2013 Exact trig values - Secrets of the Mathematical Ninja Oct 18, 2012 Quotable maths: Krishna subscribe via RSS