Quick calculus quiz May 14, 2013 [mtouchquiz 9] A selection of other posts Mar 23, 2016 Ask Uncle Colin: rearranging $\cos^3(x)$ Apr 2, 2013 Core 3 basics revision quiz Oct 11, 2012 Quotable maths: Nicely Jul 16, 2012 Secrets of the Mathematical Ninja: Squaring three-digit numbers, part III subscribe via RSS