Why the Greek letter PI.

2 years ago
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You can come close,but no matter how precise the fraction is, it will always be just a tiny bit off. So, to write it out in its decimal form,you'd have an on-going series of digits starting with 3.14159 and continuing forever! That's why, instead of trying to write out an infinite number of digits every time we just refer to it using the Greek letter pi.

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