In a move that is sure to surprise anyone who has ever watched me count change, I have been immersing myself in maths lately.

As you may know, I'm directing Penny Tangey's Comedy Festival show, which is called Kathy Smith Goes to Maths Camp and which is at the stage now where I have gone so far as to actually refer to Penny as Kathy and Kathy as Penny.

The show is all about Kathy Smith's adventures to Year Nine Concentrated Extended Acceleration Camp. She grapples with complex numbers, puberty (and, frankly, fashion) and she does the kind of maths that looks like rock art or hieroglyphics. In fact, watching Kathy doing maths proves the theory that watching someone doing what they love is fascinating, even if you don't understand a blind word of what they're talking about, which is what got me through some of my law subjects at university. It's also why I can have a crush on the entire cast of The West Wing without being entirely sure what a tariff is.

In other maths-themed news, I saw Proof last night, which used to be a play and is now a film. I don't entirely agree with this review but speaking of people who are good at things, read Anthony Lane (who doesn't actually come out and say Kathy Smith Goes to Maths Camp is better than Proof but I think we all know where he stands).

And last but not least, here's some maths music to get you through your Friday. I personally recommend The Number Rumba.

Am I taking this maths thing too far?