Quotable maths: Krishna Oct 18, 2012 It is magic until you understand it, and it is mathematics thereafter - Bharati Krishna A selection of other posts May 23, 2018 Ask Uncle Colin: Grade boundaries Mar 15, 2017 Ask Uncle Colin: 10,958 Oct 27, 2015 Review: Things To Make And Do In The Fourth Dimension, by Matt Parker Mar 7, 2012 A tricky C2 question... subscribe via RSS