What is Pi day?

What is Pi day?

When expressed up to two decimal places, this ratio is 3.14 - same as March 14 written in digits.

Celebrated each year on March 14th (3.14), Pi Day is dedicated to the mathematical constant, Pi.

Pi, denoted by the Greek letter "π", has been part of human knowledge for millennia, but it wasn't until 1988 that physicist Larry Shaw organized what is now recognized as the first "Pi Day" celebration at the San Francisco Exploratorium science museum. No matter the size of the circle, this ratio stays the same. Approximate values used most commonly in calculations are 3.14 and 3.1415, or the fraction 22/7. Mathematicians adopted the symbol π for the expression in the 18th century: Welsh mathematics teacher William Jones is often credited with the first use of the symbol in 1706. He went on to create a caramel apple pie which according to him, it is one of the most classic forms of apple pies, therefore symbolising the mathematical constant pi which like an apple pie remains a constant favourite among the people. The challenge is in its fifth year, and features mathematical problems that can be solved using Pi. Pi is a crucial component in geometry, as it is needed to measure the circumference and area of a circle, and hence needed for measuring cylinders, cones, spheres, etc. It's an irrational number and it continues infinitely without repetition or pattern. Pi has so far been calculated to over one trillion digits beyond its decimal point, with more digits being calculated every year.

Google celebrates the 30th anniversary of Pi Day. with a pie!What is Pi Day?

Meanwhile, some of the nerdier restaurants in the United States and Europe have chose to sell circular food items at $3.14.

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