Uploaded November 2025 | Updated September 2026, 2 weeks ago
Check out Seb's excellent deep-dive video over here: youtube.com/watch?v=FgTo5WRluy0
See my show in London on 1 December 2025: lwtheatres.co.uk/whats-on/matt-parker
Other show details for the 2026 tour here: standupmaths.com/shows
Yes, sign up to Patreon by the end of November 2025 to get your unique, random christmas card from me: patreon.com/standupmaths
Or have been signed up by November 2024 to get the RGB postcard from the past.
I wrote about Simplex Noise in my book Love Triangle.
Math Gear (signed): mathsgear.co.uk/collections/books/products/love-triangle-by-matt-parker-signed
Amazon: amzn.to/3LY5mfS
All noise in this video was actually generated used OpenSimplex in python: pypi.org/project/opensimplex
Ken Perlin's Academy Technical Achievement Award was in 1997 and read: "To Ken Perlin for the development of Perlin Noise, a technique used to produce natural appearing textures on computer generated surfaces for motion picture visual effects."
Huge thanks to my Patreon supporters. They help me make a lot of noise. patreon.com/standupmaths
CORRECTIONS
- None yet, let me know if you spot anything!
Filming by Nico Turner
Editing by Gus Melton and Nico Turner
Written and performed by Matt Parker
Produced by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson
MATT PARKER: Stand-up Mathematician
Website: standupmaths.com
Check out Seb's excellent deep-dive video over here: youtube.com/watch?v=FgTo5WRluy0
See my show in London on 1 December 2025: lwtheatres.co.uk/whats-on/matt-parker
Other show details for the 2026 tour here: standupmaths.com/shows
Yes, sign up to Patreon by the end of November 2025 to get your unique, random christmas card from me: patreon.com/standupmaths
Or have been signed up by November 2024 to get the RGB postcard from the past.
I wrote about Simplex Noise in my book Love Triangle.
Math Gear (signed): mathsgear.co.uk/collections/books/products/love-triangle-by-matt-parker-signed
Amazon: amzn.to/3LY5mfS
All noise in this video was actually generated used OpenSimplex in python: pypi.org/project/opensimplex
Ken Perlin's Academy Technical Achievement Award was in 1997 and read: "To Ken Perlin for the development of Perlin Noise, a technique used to produce natural appearing textures on computer generated surfaces for motion picture visual effects."
Huge thanks to my Patreon supporters. They help me make a lot of noise. patreon.com/standupmaths
CORRECTIONS
- None yet, let me know if you spot anything!
Filming by Nico Turner
Editing by Gus Melton and Nico Turner
Written and performed by Matt Parker
Produced by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson
MATT PARKER: Stand-up Mathematician
Website: standupmaths.com
![The biggest hand calculation in a century! [Pi Day 2024]](https://i.ytimg.com/vi/LIg-6glbLkU/mqdefault.jpg "The biggest hand calculation in a century! [Pi Day 2024]
Please note down the new value of pi: 3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651328230664709384460955058223176
If youd like to sign up to hear about future ridiculous maths projects that require volunteers: https://forms.gle/w44THpNJ3jWUPqHy6
Play list of all my previous calculating pi day videos: https://youtube.com/playlist?list=PLhtC92GarkjyYbxI3-4qzIWIRbZaw4wuP&si=DzWXgnv_vYfDgiLZ
This calculation was paid-for with surplus funding from a previous Stand-up Maths kick-starter. If youd like to support future projects, you can join me on Patreon. My Patreon supporters keep me irrational. https://www.patreon.com/standupmaths
Huge thanks to the Pi-by-hand Committee who spent two years working on this project:
Alex Genn-Bash
Ayliean McDonald - https://www.youtube.com/@Ayliean
Ben Sparks - https://www.youtube.com/@SparksMaths
Christian Perfect
Deanna Judd
James Grime - https://www.youtube.com/@singingbanana
Katie Steckles - https://www.youtube.com/@KatieSteckles
Matthew Scroggs - https://www.youtube.com/@chalkdustmag
Max Hughes
Nicole Jacobus
Sophie Maclean - https://bit.ly/Sophie_Numberphile
Thanks to Steve Mould for making sure everything was legit, and only mentioning tau six or so times.
William Shanks was voiced by the excellent Ben Moor: https://www.spesh.com/ben/
The amazing voice over was provided by the fantastic Gemma Arrowsmith: https://www.gemmaarrowsmith.com/
CORRECTIONS
- None yet, let me know if you spot anything (other than the final 6).
- Yes, this video was released the day before Pi Day. Its so teachers have a chance to watch it and prepare their Pi Day lessons for the big day.
Filming and editing by Alex Genn-Bash
Animations by Willow Marler
Written and performed by Matt Parker
Produced by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson
MATT PARKER: Stand-up Mathematician
Website: http://standupmaths.com/
NEW BOOK: https://mathsgear.co.uk/products/love-triangle-by-matt-parker-signed")
