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Pi Day: What is it? The History of the Circle

Pi Day: Importance and Story Of Circle.

Image: Live Science

One of nature's most exquisite and useful shapes is the circle. Pi Day and the International Day of Mathematics are observed on March 14 by mathematicians worldwide (IDM).

The day strives to promote the beauty and usefulness of mathematics to a larger audience, as well as to increase awareness of the significance of mathematics and its role in shaping our world. Mathematics for Everyone is the theme for this year. More than 1,700 events have been planned to mark the day all over the world.

What is Pi and what is its importance?

Pi, which is roughly 3.14, is the ratio of a circle's circumference to its diameter. Pi is one of the most well-known mathematical symbols and has many crucial uses in the fields of physics, engineering, and statistics.

The mathematical constant pi has been known for thousands of years, but it wasn't until the early 1700s that the Greek letter for p, or, was adopted to symbolize it. It is thought that was picked as an acronym for perimeter, which is another name for a circle's circumference and quantifies the distance around it.

Why is Pi Day celebrated?

In the month/day format, March 14 can alternatively be written as 3/14, which corresponds to pi's first three digits. To make mathematics more approachable and enjoyable, physicist Larry Shaw organized the first Pi Day event on March 14, 1988, at the San Francisco Exploratorium. Albert Einstein, one of the most important physicists of the 20th century, was born on March 14, 1879.

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