Google Celebrates The International Pi Day Along With The Whole World

Google Doodle marks 30th year of Pi Day, the date that takes its digits from mathematics constant pi

On International Pi Day, Google creates formula using apple 'Pie'; watch how they did it

Pi Day was first recognised 30 years ago in 1988 by physicist Larry Shaw at the San Francisco Exploratorium where he worked as a physicist.

The value of pi is 22/7 and today even school children use the value to calculate the circumference and area of a circle by substituting the value of pi in the formulas. With people all over celebrating today, NASA too has invited the public to celebrate Pi Day (March 14) by organising a "Pi in the Sky" challenge.

Google has also added the recipe of caramel apple pie in the Google doodle blog post for those who want to try the dish.

In math, pi (π) represents the mathematical ratio of a circle's circumference to its diameter. Google Doodle celebrated International Pi Day, which also marks the birthday of renowned theoretical physicist Albert Einstein. The Japanese 69-year-old Akira Haraguchi has become a legend among the masters of memorization after reciting 111,700 decimals of Pi in only 16 hours and 30 minutes.

Pi has become a true cultural symbol, a metaphor for the mysteries of mathematics, which has inspired its own literary genre - Pilish. Pi is an important constant in many formulas in mathematics, engineering, physics, and other sciences. The rise of computing technology has led to an arms race of sorts to calculate ever more digits of pi: the current record was set past year by Christian physicist Peter Trueb, calculated pi to 22.4 trillion digits - 22,459,157,718,361, to be exact - outpacing the previous record set in 2013 by 9 million digits. It's an annual celebration of the mathematical constant, π.

"As an irrational and transcendental number, it will continue infinitely without repetition or pattern".

Pi is also a source of inspiration for competitions, where participants have to recite as many decimals of the number as possible.

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