# August, 2015

## The Mathematical Ninja and Ailles’ Rectangle

“$\sin(15º)$,” said the GCSE student, and the Mathematical Ninja — recognising that the qualification recognised idiotic angle measures — let it slide. “0.2588”, he muttered, under his breath, knowing full well that the exact answer — $\frac{\sqrt{6} – \sqrt{2}}{4}$ — would get him a blank stare. He sighed the sigh

## Wrong, But Useful, Episode 28

In this month’s exciting instalment of Wrong, But Useful, @reflectivemaths and @icecolbeveridge discuss: The number of the podcast: 36.16 seconds, the current world record for sorting a pack of cards Dave is reading The Number Devil: A Mathematical Adventure — and asks what happens if you colour in the multiples

## Ask Uncle Colin: a proof with logs in

Ask Uncle Colin is a chance to ask your burning, possibly embarrassing, maths questions — and to show off your skills at coming up with clever acronyms. Send your questions to colin@flyingcoloursmaths.co.uk and Uncle Colin will do what he can. Dear Uncle Colin, I have a slightly embarrassing problem: I

## NME: The Sound Of Silence

Another piece from the Flying Colours Cartoonist, Dominika. Click to enlarge.