Pi Day: History, Meaning And Other Things You Need To Know

Pi is actually an irrational number, mostly approaching 3.14 decimal places.

This is a special day for those who love math and want to pay tribute to Albert Einstein. Every year on March 14th Pi Day is celebrated to celebrate the mathematical constant Pi. It is also the birthday of Einstein, one of the greatest physicists of all time.

Einstein was born on Pi Day, March 14, 1879.

What is Pi Day?

Pi Day is celebrated every year on March 14 to celebrate the mathematical constant Pi (π). The date, written in month / day format (3/14), matches the first three digits of the mathematical constant.

There is a whole web site dedicated to Pi Day, which also defines the mathematical constant as the ratio of the diameter to the circumference of a circle.

Interesting facts about Piri

Pi is actually an irrational number, mostly approaching a decimal point of 3.14 or 22/7.

It has been of interest to people all over the world for over 4,000 years. Many mathematicians – including celebrities such as Fibonacci, Newton, Leibniz and Gauss – have struggled with Pi, calculated its numbers and applied it to many areas of mathematics.

Pi is part of Egyptian mythology. The people of Egypt believed that the pyramids of Giza were built according to the pi principles.


The value of Pi was first calculated by the mathematician Archimedes of Syracuse. It was later accepted by the scientific community when Leonhard Euler used the Pi symbol in 1737.

The first Pi Day was celebrated in 1988 by American physicist Larry Shaw. As part of the celebrations, people eat cake on this day or take part in competitions.


Math enthusiasts celebrate Pi Day every year with Pi recital competitions and Pi Day workouts to spark interest in learning and practicing math.


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