Who discovered the phenomenon that is Pi?
This is from the pi article on Wikipedia. “As early as the 19th century BC, Babylonian mathematicians were using pi = 25/8, which is within 0.5 percent of the exact value. An Egyptian scribe named Ahmes wrote the oldest known text to give an approximate value for pi. The Rhind Mathematical Papyrus dates from the Egyptian Second Intermediate Period, though Ahmes stated that he copied a Middle Kingdom papyrus (i.e. from before 1650 BC) and describes the value in such a way that the result obtained comes out to 256/81 or 3.160. The Indian astronomer Yajnavalkya gave astronomical calculations in the Shatapatha Brahmana (c. 9th century BC) that led to an approximation of pi = 339/108 = 3.1389, which is correct to two decimal places when rounded. In the third century BC, Archimedes showed that 3 + 10/71 < pi < 3 + 1/7, and later formed a proof that 22 over 7 exceeds pi, which was by that time already in usage. The Chinese mathematician Liu Hui in AD 263 computed pi to 3.141014, which is corr
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