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Christmas images using parabolic curves and TikZ

Katie is running an Aperiodical advent calendar (Aperiodvent 2018), with fun maths Christmas treats every day. Behind the door for 7th December was Parabolic Sewing.

This is not unrelated to what I submitted as my entry to The Big Internet Math-Off last summer. I have been revisiting this idea ready for a class next week in my second year programming module.

Alex Bellos’ The Supercalculators on BBC R4

Image from BBC R4: The Supercalculators

Maths perpetrator Alex Bellos has been on Radio 4 again, this time meeting some of the competitors in the Mental Calculation World Cup, which is held annually in Germany. It went out on Radio 4 last night, and will be repeated again next Monday at 9pm, plus you can listen online.

Carnival of Mathematics 145


Carnival of Mathematics LogoWelcome to the 145th Carnival of Mathematics, hosted here at The Aperiodical.

If you’re not familiar with the Carnival of Mathematics, it’s a monthly blog post, hosted on some kind volunteer’s maths blog, rounding up their favourite mathematical blog posts (and submissions they’ve received through our form) from the past month, ish. If you think you’d like to host one on your blog, simply drop an email to and we can find an upcoming month you can do. On to the Carnival!

Maths at the Manchester Science Festival 2016


Here’s our annual round-up of what’s happening in sums/thinking at this year’s Manchester Science Festival. If you’re local, or will be in the area around 20th-30th October, here’s our picks of the finest number-based shows, talks and events.

Carnival of Mathematics #131

Carnival of Mathematics Logo

Welcome to the 131st edition of the Carnival of Mathematics, a monthly blogging carnival which scoots its way round the internet, rounding up maths-related blog posts from the month of January.

Relatively Prime Recap: Season 2, Episode 2: Your Daily Recommended Math[s]

Relatively Prime: Your Daily Recommended Math

Maths – as teachers are fond of telling anyone who’ll listen – is everywhere. In this difficult second episode of the difficult second series of Relatively Prime, Samuel Hansen shows us a few important places where it can be a help: at the petrol pump, at the birthday party, in the car park and at the bar — or rather, in deciding whether to go.