# Wrong, But Useful: Episode 23

In the first full-length podcast of 2015...

• Dave decides he's not talking to me, which would make for another short one, if he meant it
• The number of the podcast: 3003, because of Singmaster's conjecture
• @sherriburroughs (Sherri Burroughs in real life) asks: how can maths lovers promote the love of maths to all ages? ... and we answer
• I've just finished reading Innumeracy by @johnallenpaulos (John Allen Paulos in real life)
• @solvemymaths (whose real name is unknown) wants to know about the names of unusual shapes like these silly ones
• Dave buys a book with a book token
• Talking of books: I announce that I'm writing A-level Maths For Dummies (which you might have known about) and the Maths Bible (which is the second #secretproject)
• We rant about exams a bit, then go back to trapeziums
• The last puzzle was @solvemymaths's semicircle thing: gold stars to @srcav (Cav) and @notonlyahatrack (Will)
• This month's puzzle, nicely LaTexed: solve $\sqrt{a^a}=\sqrt[a]{a}$ for $a$

## Colin

Colin is a Weymouth maths tutor, author of several Maths For Dummies books and A-level maths guides. He started Flying Colours Maths in 2008. He lives with an espresso pot and nothing to prove.

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