What is Pi Day? Pi Day is celebrated each year on March 14 (since 3, 1, 4 are the first three significant digits of π). Impress your friends with these facts about Pi Day: 1. Because pi is an infinite number, every single digit will never be determined. Pi has currently been calculated to 22,459,257,718,361 digits. 2. Pi has it’s own writing style called Pilish. The number of letters in successive word are chosen to match the number sequence found in pi. 3. Pi can be hand-calculated fairly easy by creating a circle with a protractor and measuring its diameter...
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