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How many digits has the mathematical value Pi been calculated to?

April 26, 2017calculated digits mathematical Mathematics Pi value

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How many digits has the mathematical value Pi been calculated to?

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I don’t know about you, but 39 is enough for ME. The Wikipedia link above takes you to this juicy tidbit: While the value of pi has been computed to more than a trillion digits, elementary applications, such as calculating the circumference of a circle, will rarely require more than a dozen decimal places. For example, a value truncated to 11 decimal places is accurate enough to calculate the circumference of the earth with a precision of a millimeter, and one truncated to 39 decimal places is sufficient to compute the circumference of any circle that fits in the observable universe to a precision comparable to the size of a hydrogen atom.