Quotable maths: Rosenlicht Nov 22, 2012 A selection of other posts Jan 2, 2019 Ask Uncle Colin: A Strange Simultaneous Equation Jun 18, 2018 $\cos(72º)$, revisited again: De Moivre's Theorem Jan 18, 2017 Ask Uncle Colin: How do I find the power? May 2, 2013 Wrong, But Useful: Episode 2 subscribe via RSS