Posted in free-for-all friday

It's that time of the week again! March already! What's been on your mind? What's giving you a headache? As always, drop your questions in the comments box and I'll get back to you as swiftly as I can!

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Posted in hypothesis testing, statistics

"He's not Judge Judy and executioner!" - Danny Butterman, Hot Fuzz There's a reason statistical experiments are sometimes called trials: they take up a lot of time and are pretty much the epitome of suffering. What's that? Oh, sorry. No, apparently, it's because they're very similar to a court case.

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Posted in algebra, quadratics

Until about three years ago, I had literally no idea how to factorise nasty quadratics. I would turn straight to the quadratic formula, go bing bang boom and say 'there, job done.' This was a very effective short-cut - I got a long way with my ignorance - but I'm

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Posted in free-for-all friday

It's that time of the week again! What's been on your mind? What's giving you a headache? As always, drop your questions in the comments box and I'll get back to you as swiftly as I can!

Read More →
Posted in quotes

Science is the belief in the ignorance of experts. - Richard Feynman

Read More →This is a follow-up to Monday's post about the smart way to do the binomial expansion. In this one, we're going to look at how to do C4 binomial expansions - ones with crazy powers like $-3$ or $\frac{3}{2}$. This bit is very important: you should COMPLETELY ignore the formula

Read More →Ah, the binomial expansion. The scourge of my A-level: the sum that was always wider than the paper, and always had one more minus sign than I'd allowed for. A crazy, pointless exercise in arithmetic, if you ask me, only really useful for finding square roots in your head (of

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Posted in free-for-all friday

End of the week again already? Fantastic. That means it's time for free-for-all Friday! Did you get any Valentine's cards? Did you send any? Did you fall in love with maths? Of course you did. Tell me about it here... or ask anything that's on your mind. There's even a

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