Pi is a mathematical constant. The pi was first calculated by Archimedes of Syracuse who lived from 287-212 BC. The constant pi has got a unique aspect. The national pi day is celebrated to honour this special number in various countries around the world. The pi day is a celebration to honour numbers and mathematics. Pi has got its role in various concepts in mathematics. Pi is a homophone of a delicious dish called the pie. So the pie is also celebrated along with pi on the national pi day.

## History of national pi day

The national pi day is celebrated annually on March 14th. The day was selected as the value of pie is 3.14… approximately. Opt day to celebrate the constant value is the 14th day of the 3rd month. The pi day was first celebrated in the year 1988. The celebration was organized by Larry Shaw at the San Francisco Exploratorium. The Exploratorium holds the pi day till date.

The national pi day was started officially in the year 2009. The US House of Representatives passed a non-binding resolution to recognize March 14th as the national pi day.

## Few facts about pi

- Pi is an irrational number. The exact value of pi isn’t known. Any mathematicians couldn’t find a recognizable pattern about the infinite digits the kept emerging starting from 3.1415626……..
- The pi can be calculated over a trillion times after the decimal point.
- Pi is the ratio of the circle’s circumference to its diameter. The pi value remains the same for all circles even if they differ in size.
- The value of pi plays a vital role in measuring natural phenomena such as the ocean tides, ebb and flow. The value of pi also finds its role in the measurement of electromagnetic waves.
- The value of pi is also used in the calculation of the shape of the rivers, the disc of the sun and the size of the pupil of our eye.

## What should we do on the national pi day?

The national pi day shouldn’t be a serious celebration all day. The day is to celebrate the value of pi. The value of pi has trillion digits after the decimal. It would be a wonderful idea to check our memory skills by trying to memorize as many digits as we can.

We can also celebrate the day by relishing a delicious pie with our family and friends as pi sounds like pie. There is also a nation pie day to enjoy a lot of pie.

## Why should we celebrate the national pi day?

Pi is an amazing invention in the field of mathematics that has to be celebrated. Pi value is a great invention that had broken the mysteries of various things in this physical world. The pi has to be celebrated to pay respect to Archimedes who invented the pi.

The pi value has led to many other concepts in the mathematical and the physical world. It is hard to imagine how we would have calculated certain things on this earth if pi was not invented.

## When is National Pi Day?

Year | Date |
---|---|

2020 | Mar 14 |

2021 | Mar 14 |

2022 | Mar 14 |

2023 | Mar 14 |