It’s Sunday morning. I lumber bleary-eyed out of bed, grab the papers in my slippers, maybe flip some pancakes and don’t leave the house until the afternoon.

Nope. It’s Sunday morning and I’m off to the learn how to be a human lightning calculator.

Melbourne Museum, in conjunction with the Mathematical Association of Victoria, are conducting a monthly series of free lectures by the Maths Masters, a pair of gambolling mathematicians who aim to show kids and adults alike that maths can be fun. So the packed multi-age turnout spent the hour with Dr Burkard Polster, an engaging and slightly giggly mathematician with a Dr Evil accent, to learn all sorts of mathematical tricks.

Multiply by 11! Calculate the original square root! Name the day of the week of any date! Easy peasy. Impressed?