Google Doodle Celebrates the 30th Anniversary of Pi(e) Day

Google Doodle Celebrates the 30th Anniversary of Pi(e) Day

Google Doodle Celebrates the 30th Anniversary of Pi(e) Day

Today, March 14, is no typical Wednesday - it's Pi Day - and Google is celebrating the occasion with a special Doodle and pie recipe, courtesy of one of the world's most renowned pastry chefs. It is observed on this day as 3,1, and 4 are the first three significant digits of the value of Pi.

Pi represents the ratio between a circle's circumference (perimeter) to its diameter (distance from side to side passing through the center), and is a fundamental element of many mathematical fields, most significantly Geometry.

Fun fact! March 14 is the birthday of physicist Albert Einstein. "First recognized 30 years ago in 1988 by physicist Larry Shaw, Pi Day observers often celebrate with a slice of their favorite pie in honour of the number's delicious sounding name", Google wrote in its blog post.

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In geometry, "Pi" plays an important constant in finding out the area of a circle. Mathematicians have calculated more than one trillion decimal places beyond the standard 3.14, but the irrational number is such that it continues to infinity.

But adding new digits is little more than a pastime for mathematics fanatics: NASA's Jet Propulsion lab only uses 15 digits to calculate interplanetary travel, while mathematician James Grime argues that just 39 digits of pi is enough to calculate the circumference of the known universe. Pi is also celebrated by some on July 22 (22/7) instead of today and it's called Pi Approximation Day. The space agency runs the "Pi in the Sky" challenge every year. The company has created a formula with the apple "Pie" that will give the result of a pi. The challenge is in its fifth year, and features mathematical problems that can be solved using Pi.

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