Pi Day

News Excerpt:

March 14th, also known as 3/14 in the American convention, is celebrated worldwide as Pi Day.

What is Pi Day?

  • It is a day to celebrate the number π or “Pi” (3.1459…). 
  • On the day, mathematicians try to raise awareness on their subject among lay persons, through lectures, museum exhibitions and pie (sic) eating competitions.

History of Pi Day:

  • The tradition was started by physicist Larry Shaw of the Exploratorium museum in San Francisco in 1988
  • In 2019, UNESCO’s 40th General Conference designated Pi Day as the International Day of Mathematics.

What is Pi?

  • Pi, often represented by the Greek letter π and it is the most famous of all mathematical constants. 
  • It represents the ratio of a circle’s circumference to its diameter.
    • Regardless of the circle’s size, this ratio always remains constant.
  • Pi is an irrational number.
    • It is a decimal with no end and no repeating pattern — which is most often approximated to the 3.14, or the fraction 22/7.

Importance of Pie:

  • The importance of Pi has been recognized for at least 4,000 years.
    • Both the ancient Babylonians and Egyptians were familiar with the concept of pie.
  • Pi is applied extensively in mathematical and scientific calculations, including geometry, trigonometry, calculus, and various other disciplines, aiding in a wide array of computations.
  • Circles and 3D shapes like cylinders, spheres, cones use Pi.
  • It's crucial in architecture, design, engineering for constructions, equipment  making Pi indispensable.

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