William Jones, a Welsh mathematician, first used the pi symbol in 1706.
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who invented, or came up with "pi" in math? How did they come up with the estimation of 3.14?
pythagoras. he had lots of different theorums, one named after him in fact(pythagorases theorum) he came up wth the symbol from ancient greek drawings.
William Jones first used the pi symbol (π) in 1706
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The symbol comes from the Greek alphabet.