March 14 marks the 143rd birth anniversary of Nobel Prize winning physicist Albert Einstein. However, few people know that this day is also celebrated as Pi Day. Union Finance Minister Nirmala Sitharaman shared this information through Twitter on Monday. The politician posted a clipping of a Mint news article on Twitter and said, “March 14, Albert Einstein’s date of birth. In some parts of the world, this date is also known as Pi Day. In November 2019, UNESCO at its General Conference declared Pi Day as International Mathematics Day.
March 14, Albert Einstein’s birthday. In some parts of the world this date is also known as Pi Day. In November 2019, UNESCO, at its General Conference, declared Pi Day as the International Day of Mathematics.
Thank you @ livemint For the “plain facts” piece. pic.twitter.com/EOzBRmFHep
— Nirmala Sitharaman (@nsitharaman) 14 March 2022
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Pi Day is celebrated on 14 March to celebrate the mathematical constant, pi which is one of the most recognizable mathematical symbols. This day is observed from the date when, written in the format of month/day (3/14), corresponds to the first three digits of the value of the mathematical constant.
It was the mathematician Archimedes of Syracuse, born in 287 BC, who first calculated the value of pi.
However, the mathematical constant became popular later when the Swiss mathematician Leonhard Euler used the symbol for pi in 1737. The symbol of pi has been used for more than two and a half centuries now. It also finds its place in Egyptian mythology. People in ancient Egypt believed that the Pyramids of Giza were built on the principles of pi. The vertical height of pyramids has the same relationship as the relationship between the radius of a circle and its circumference with the circumference of their base.
Pi is also a unique mathematical value as it represents the ratio of the circumference of any circle to its diameter. Usually the value of pi is calculated up to two decimal points, 3.14. Although it is an irrational number, after the decimal point, the digits keep on going up to 70,000 decimal points. The value of pi in a fraction is 22/7.
It is also known as Mathematics Day recognized by the United Nations on 14 March.
According to UNESCO, International Mathematics Day aims to showcase the fundamental role played by mathematical science in the achievement of the UN’s Sustainable Development Goals.
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