Knitting and Maths.

If you are a knitter, you will know that there is more or less maths involved in knitting. While it's quite possible to avoid maths-ing to a large degree, not doing so can make things much, much easier - like adjusting a pattern to your gauge instead of endlessly fiddling around with different needles, and maybe trying a different yarn, to "get gauge" exactly as stated in the pattern. Or figuring out how much yarn you'll need from knitting a sample swatch and weighing plus measuring it. Or other things like that.

I was reminded of all that maths stuff when looking for an article about early compound knitting on JSTOR and found instead this one here:

Belcastro, Sarah marie, and Carolyn Yackel. “About Knitting...” Math Horizons, vol. 14, no. 2, 2006, pp. 24–39. JSTOR, www.jstor.org/stable/25678655. (JSTOR is a paywall thing, but they offer a free registration that allows you to read up to six articles per month for free. So if you are interested in that article, or in other stuff, you can sign up there and get some sciencey goodness.)

I found it amusing - and if you are tickled by the combination maths and knitting, Sarah Marie Belcastro also has a webpage about these things, with plenty of links to keep you amused and/or occupied. And a photo tutorial for a knitting increase that looks like a reverse ssk or k2tog!