The Secret of the Raffle Function (epic proof) - Numberphile

Numberphile October 2, 2025
Numberphile Logo

Numberphile

@numberphile

About

Videos about numbers and mathematics. Videos by Brady Haran since 2011. Our thanks to Jane Street and our Patreon supporters.

Video Description

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 -    • Zvezdelina Stankova on Numberphile   Epic Circles (another long proof) -    • Epic Circles - Numberphile   A proof that e is irrational -    • A proof that e is irrational - Numberphile   A Miraculous Proof (Ptolemy's Theorem) -    • A Miraculous Proof (Ptolemy's Theorem) - N...   Epic Induction -    • Epic Induction - Numberphile   Patreon:   / numberphile   Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet We are also grateful for support from Ben Delo. NUMBERPHILE Website: http://www.numberphile.com/ Video by Brady Haran and Pete McPartlan Thanks to The Numberphile Society for checking our work! Numberphile T-Shirts and Merch: https://teespring.com/stores/numberphile Brady's videos subreddit:   / bradyharan   Brady's latest videos across all channels: http://www.bradyharanblog.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9