Quotable Maths: Knuth Dec 20, 2012 A selection of other posts Jun 21, 2017 Ask Uncle Colin: A STEP in the right direction Jul 6, 2016 Ask Uncle Colin: Can you prove $\sin(2x) \equiv 2\sin(x)\cos(x)$? Jun 15, 2012 Free for all Friday Feb 20, 2012 The smart way to do the binomial expansion (Part 1) subscribe via RSS