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Meet Archimedes of Syracuse, The Mathematician Who Discovered Pi
Archimedes and the Computation of Pi
Pi - Wikipedia
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How the value of Pi was discovered by a genius – You will be amazed! | Shoo Rayner
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Pi Day is coming! This 5th-century Chinese mathematician deserves your attention - Xinhua | English.news.cn
Origins of Pi | Post University
Pi Day 2019: What is pi and why is it so important to mathematics? - Mirror Online
