Several pizza chains are offering a variety of pizzas priced at $3.14 honoring Pi Day. March 14, 2019, also marks the one-year anniversary of the death of Stephen Hawking. March 14 is also the birthday of famed physicist Albert Einstein. In 2009, the House of Representatives passed a resolution marking March 14 as National Pi Day. The museum said Shaw led Pi Day parades there every year until his passing in 2017. The Pi symbol was introduced in 1706 by mathematician William Jones, but made popular more than 30 years later by Swiss mathematician Leonhard Euler.įormer physicist Larry Shaw, who connected March 14 with 3.14, celebrated the first Pi Day at the Exploratorium with fruit pies and tea. The number has been calculated multiple times since by renowned mathematicians including Archimedes and Zu Chongzhi. On Thursday, Google confirmed it was able to compute Pi to 31.4 trillion decimal places, setting a new Guinness World Record. The number itself is rounded up to 3.14 but it can go on forever. Thursday marks Pi Day, held on March 14 in honor of 3.14, the measurement calculating the ratio of a circle's circumference to its diameter. March 14 is a great day for fans of math. What is Pi Day? Everything you need to know about celebrating "We had a great time calculating 31.4 trillion π digits, and look forward to sinking our teeth into other great challenges." "The world of math and sciences is full of records just waiting to be broken," wrote Iwao in a separate Google post. The calculation required 170 terabytes of data, about the same amount of data as the entire Library of Congress print collection, said Google.Īfter about 4 months of calculating, Iwao arrived at the record-breaking result. "The biggest challenge with pi is that it requires a lot of storage and memory to calculate," said Iwao, who has worked with the company for nearly four years, in a blog posted published Thursday by Google.
To do this, Iwao's team used a program called ycruncher capable of computing Pi to trillions of digits powered by 25 virtual machines run through Google Cloud's Compute Engine. On Thursday, Google revealed developer advocate Emma Haruka Iwao, with the help of the tech giant's cloud platform, calculated Pi to 31.4 trillion decimal places, beating the previous record by nearly 9 trillion digits.
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