Prehistoric Calculus: Discovering Pi
Pi is mysterious. Sure, you “know” it’s 3.14159 because you read it in some book. But what if you had no textbooks, no computers, and no calculus (egads!) — just your brain and a piece of paper. Could you find pi?
Archimedes found pi to 99.9% accuracy 2000 years ago — without decimal points or even the number zero! Even …A Gentle Introduction To Learning Calculus
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