Philosophic Wonders - Acharantos
But decimals require Arabic numbers which were not introduced until the 13th century by Fibonacci. And, decimals themselves were not explored until the 17th century. Thus, when Archimedes (200 BC) discovered Pi (3.14), he expressed it in terms of two limiting approximations, less than 3 1/7 and more than 3 10/71. ................
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