El matemàtic del regne Wei Liu Hui va crear un algoritme iteratiu basat en polígons i el va utilitzar amb un polígon de 3,072 cares per obtenir un valor de π de 3,1416. El matemàtic francès François Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis Louis
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