How is Pi calculated?

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Ok, pi is probably a bit over the head of your average 5 year old. I know the definition of pi is circumference / diameter, but is that really how we get all the digits of pi? We just get a circle, measure it and calculate? Or is there some other formula or something that we use to calculate the however many known digits of pi there are?

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Anonymous 0 Comments

Follow up question. It’s great some algos can calculate to the trillionth digit of Pi, but how many working digits of Pi do professionals like astronomers and rocket scientists really need?

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