Uploaded September 2025 | Updated September 2026, 2 weeks ago

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Learn more about the Jane Street internships at jane-st.co/internship25-SUM

Ben's Zener Test: zenertest.bensparks.co.uk

Huge thanks to Ben Sparks (and their brother Tim) for making the site, collecting the data and sharing the story with me. You can book Ben to give a maths talk in your school, university or magic society: bensparks.co.uk

Note that the page has been upgraded since the original to:
- track people who quit mid-test
- now select the card before the user chooses, so it is a valid psychic test

Thanks to the excellent Ash Pryce who took time to talk Zener and show us his tattoos. itsashpryce.co.uk

How lucky is too lucky?: The Minecraft Speedrunning Dream Controversy Explained youtube.com/watch?v=8Ko3TdPy0TU

We filmed in the extravagant Voodoo Rooms in Edinburgh. thevoodoorooms.com

My binomial demo was based on this: geogebra.org/m/FyMaDJgA

Huge thanks to my Patreon supporters. They keep my distribution shifted to the right. patreon.com/standupmaths

CORRECTIONS
At 6:57 by binomial expansion is critically missing some indices. It should read a^2 + 2ab + b^2.

Filming by Alex Genn-Bash
Additional bad filming by Matt Parker
Edited by Gus Melton
Written and performed by Matt Parker
Additional writing and research by Rhys Jones
Additional maths by Ben Sparks
Extra graphics support by Sam Hartburn and Ayliean MacDonald
Produced by Ayliean MacDonald
Additional help by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson
Background vibes by that porcelain tiger

MATT PARKER: Stand-up Mathematician
Website: standupmaths.com