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PiHex
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<p>PiHex was a <a href="/facts/Distributed_computing/o5nyhqTF">distributed computing</a> <a href="/facts/Project/7pXnTsmF">project</a> organized by <a href="/facts/Colin_Percival/NXYrvzxb">Colin Percival</a> to calculate specific <a href="/facts/Bit/S972NSaD">bits</a> of <a href="/facts/Pi/vC0UBj1q">π</a>. 1,246 contributors used idle time slices on almost two thousand computers to make its calculations. The software used for the project made use of <a href="/facts/Bellard%27s_formula/kCXXCMHm">Bellard's formula</a>, a faster version of the <a href="/facts/BBP_formula/m4v34n9d">BBP formula</a>. </p>