Pat Hanrahan's RacketCon keynote on Einstein summation, Penrose diagrams and APL wows viewers
blelbach · x · 2026-10-21
Commenters are raving about Pat Hanrahan's RacketCon keynote, which ranges across Einstein summation, Penrose diagrams, the APL/J/K array languages, Cajori's A History of Mathematical Notation, and Bringhurst's The Elements of Typographic Style — a tour of how mathematical notation evolved.
Related event: Pat Hanrahan's RacketCon Talk on Notation Draws Attention(2 posts)→
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