Quotable maths - Paulos May 17, 2012 A selection of other posts Sep 23, 2013 TMTOWTDI: Subtraction Jun 7, 2013 Silly Questions Amnesty Jun 27, 2012 ERROR 101 SENSE NOT MADE: the lunacy of programming exams on paper. Jan 16, 2012 How to do... R-sin-alpha questions subscribe via RSS