Quotable Maths: Karlin Nov 29, 2012 A selection of other posts Sep 8, 2014 L’Hôpital’s Rule - what it is and why it works Oct 31, 2012 Matrices and Google Oct 8, 2012 Secrets of the Mathematical Ninja: multiplying numbers that are close together Jun 27, 2012 ERROR 101 SENSE NOT MADE: the lunacy of programming exams on paper. subscribe via RSS