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Pi Day 2023: What is it and why is it observed on March 14?
Friday, March 10, 2023, 15:30 [IST]
The world observes Pi Day on March 14 each year to recognise the mathematical constant Pi. Pi is defined as the reciprocal of the ratio of a circle's circumference to its diameter, and its value is 3.14. In 1988, American physicist ...