TNPSC Thervupettagam

Pi Day 2025 - March 14

March 17 , 2025 7 hrs 0 min 71 0
  • The date, when written as 3/14, mirrors the first three digits of Pi.
  • Pi is an infinitely long, irrational number and its exact value cannot be known.
  • Since Pi's exact value cannot be known, we can never find the exact area or the circumference of a circle.
  • The symbol of Pi was discovered by William Jones in the year 1706.
  • The value of Pi was first calculated by Mathematician, Archimedes of Syracuse.
  • UNESCO started observing Pi Day as ‘International Day of Mathematics' from the year 2019.
  • Pi Approximation Day is observed on July 22 (22/7 in the day/month format).

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