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#219 – Donald Knuth: Programming, Algorithms, Hard Problems & the Game of Life
Lex Fridman Podcast
The Knuth-Aero Notation for Very Large Numbers
There's something that got my name attached to it called Knuth-Aero notation. It's a notation for very large numbers, and somebody invented it in the 1830s. So you start with x plus x plus X plus x n times, and you can call that x n. And then here the arrow is when you're doing the same kind of repetitive operation for the so I put in one arrow and I get x to the nth power. Now I put in two arrows, and that makes takes x to the x to thex to the xn times power.
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