Quotable maths: Fisher Aug 23, 2012 A selection of other posts Nov 5, 2018 On degrees Jun 7, 2017 Ask Uncle Colin: about Chebyshev's Equation Jul 22, 2013 Fibonacci kilometres: how the Mathematical Ninja converts (and how mere mortals can, too) Mar 4, 2013 Multiplying by 9 on the fly subscribe via RSS