Uploaded October 2025 | Updated September 2026, 2 weeks ago
Zvezdelina Stankova discusses the raffle function - and her epic proof ends with an interesting connection.
More links & stuff in full description below ↓↓↓
Zvezda playlist here on Numberphile - youtube.com/playlist?list=PLt5AfwLFPxWIbAPK1oJgRIpe0sWiPKkQ4
Epic Circles (another long proof) - youtu.be/sG_6nlMZ8f4
A proof that e is irrational - youtu.be/xOXsDfMMTjs
A Miraculous Proof (Ptolemy's Theorem) - youtu.be/bJOuzqu3MUQ
Epic Induction - youtu.be/bylFzBxzQ9M
Patreon: patreon.com/numberphile
Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: bit.ly/numberphile-janestreet
We are also grateful for support from Ben Delo.
NUMBERPHILE
Website: numberphile.com
Video by Brady Haran and Pete McPartlan
Thanks to The Numberphile Society for checking our work!
Numberphile T-Shirts and Merch: teespring.com/stores/numberphile
Brady's videos subreddit: reddit.com/r/BradyHaran
Brady's latest videos across all channels: bradyharanblog.com
Sign up for (occasional) emails: eepurl.com/YdjL9
Zvezdelina Stankova discusses the raffle function - and her epic proof ends with an interesting connection.
More links & stuff in full description below ↓↓↓
Zvezda playlist here on Numberphile - youtube.com/playlist?list=PLt5AfwLFPxWIbAPK1oJgRIpe0sWiPKkQ4
Epic Circles (another long proof) - youtu.be/sG_6nlMZ8f4
A proof that e is irrational - youtu.be/xOXsDfMMTjs
A Miraculous Proof (Ptolemy's Theorem) - youtu.be/bJOuzqu3MUQ
Epic Induction - youtu.be/bylFzBxzQ9M
Patreon: patreon.com/numberphile
Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: bit.ly/numberphile-janestreet
We are also grateful for support from Ben Delo.
NUMBERPHILE
Website: numberphile.com
Video by Brady Haran and Pete McPartlan
Thanks to The Numberphile Society for checking our work!
Numberphile T-Shirts and Merch: teespring.com/stores/numberphile
Brady's videos subreddit: reddit.com/r/BradyHaran
Brady's latest videos across all channels: bradyharanblog.com
Sign up for (occasional) emails: eepurl.com/YdjL9










