Quotable maths - Huxley May 10, 2012 A selection of other posts May 13, 2015 Getting your $x$s in one basket Oct 9, 2013 Dividing by 42 - Secrets of the Mathematical Ninja Jul 3, 2013 A reader asks: why does $1+1=2$? May 4, 2012 Free for all Friday subscribe via RSS