Every year on 22 July, math lovers around the world take a moment to celebrate something special—Pi Approximation Day. This day is dedicated to the mathematical constant π (pi), one of the most ...
For some, today (July 22) is Pi Approximation Day, but for some others, it is March 14. Pi is the ratio of the circumference of any circle to the diameter of that circle. Greek letter π was first used ...
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