OK, I was looking up something entirly unrelated on the internet and came across a little gem. It is a page dedicated to unusual formulas that approximate Pi.
Puzzle 50.- “The best approximation to pi with primes”
One of the examples is only Palindrome numbers (same forward and backward)
1.09999901 x 1.19999911 x 1.39999931 x 1.69999961 = 3.141592573
Then it has a whole section for formulas that use only prime numbers to approximate Pi. Here is an example.
3+(5*2216117)/(3*53*577*853) =
3.14159265358979316
I thought some of the guys here would get a kick out of this, I did.
Bill
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aka
TheBigDog - Hypography Full Freaking Moderator
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