The 1,200 Year Maths Mistake

See you all in Wemding, Germany in 2033 for the next installation of this inevitable maths mistake.
Thanks to everyone involved with Zeitpyramide who were hugely welcoming and accomodating. Official Zeitpyramyde website: www.zeitpyramid...
Check out Ayliean MacDonald's excellent work on TikTok and indeed UA-cam:
www.tiktok.com...
/ @ayliean
We also had an very helpful German-to-English translator in Benjamin Unger who kindly did not translate all of the speeches for me.
Read more about off-by-one errors in my book Humble Pi: mathsgear.co.u...
Huge thanks to my Patreon supporters. They lift me up like a 6.5 tonne block. / standupmaths
CORRECTIONS
01:24 I say "square numbers" when I mean "even square numbers". First corrected by TheSamuelWells
A few people have noted that the "clarinet" is actually a "soprano saxophone". I am very sorry to all the music nerds.
Let me know if you spot anything else!
Filming and editing by Alex Genn-Bash
Written and performed by Matt Parker and Ayliean MacDonald
Blocky animations by William Marler
Produced by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson
All soprano saxophone music was recorded live on location.
MATT PARKER: Stand-up Mathematician
Website: standupmaths.com/
US book: www.penguinran...
UK book: mathsgear.co.u...