Pi Day is a whole 24 hours dedicated to celebrating the mathematical constant Pi.

are celebrating the 30th anniversary of the math-inspired holiday with a Doodle baked and built by the award-winning pasty chef – and creator of the famous Cronut – Dominque Ansel.

Ansel is known for his many creations, including the Cronut – a hybrid between a croissant and a doughnut.

Today he hours the mathematical constant by representing the pi formula (circumference divided by diameter) using actual pie.

The Doodle shows some of the crucial ingredients of Ansel’s Salted Caramel Apple Pie – and you can find the recipe below the Doodle.

Ansel said: “The Google Doodle for today is the circumference or diameter equals pi. It’s fun, it’s educational, it’s a way of communicating with the world that’s amazing, so I am excited to be a part of it.”


Pi Day 2018GOOGLE


PI DAY 2018: Google Doodle are today celebrating with a picture of pie

What is Pi?

The symbol for Pi is the Greek letter π – and represents the ratio between a circle’s circumference to its diameter.

The number, which is approximately 3,14159 is fundamental in mathematics, especially in Geometry.

Modern mathematicians have calculated that there are 22 trillion decimal places beyond the standard 3,14.

Pi can be called an irrational number, which continues to infinity.

The constant is crucial to find the area of a circle – with the equation A=πr².

While Pi can continue into infinity without repetition or pattern, only a few digits are necessary for typical equations.

Many people have fun trying to remember the sequence of Pi, and the current world record belongs to Suresh Kumar Sharma from India.

He memorised 70,030 digits in October 2015 – and it took him 17 hours and 14 minutes to recount the numbers.


Pi Day 2018GETTY


PI DAY 2018: People celebrate the mathematical holiday by eating Pie

How do people celebrate Pi Day?

Pi Day is recognised mainly in the US, and is held annually on March 14 every year – which in the US month/date format is 3/14.

The mathematical holiday was officially recognised by Congress in 2009 – and has inspired pun-filled celebrations of eating circular treats.

People show their appreciation of the constant number with eating pies and pizzas, throwing pies and holding discussions about the significance of the number.


Pi Day 2018GETTY


PI DAY 2018: Pi is a mathematical constant

Some people even dress up as Albert Einstein, whose birthday falls on the date.

The first Pi Day celebration was held in 1988 and started by physicist Larry Shaw.

He started it as a way to make mathematical constants more fun and accessible.

The celebration was held at the San Francisco Exploratorium science museum.

https://www.dailystar.co.uk/tech/news/688759/Pi-Day-2018-What-is-Pi-Day-Google-Doodle-Albert-Einstein-birthday

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