Last Updated on April 16, 2023

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. National pi day honors this special number in various countries worldwide. Pi Day is a celebration to honor numbers and mathematics. Pi has got a 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 national pi day in March for all the pi enthusiasts.

## History of National Pi Day

National pi day is celebrated annually on day March 14. 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. Pi Day was first celebrated in the year 1988 on March 14. Larry Shaw organized the celebration at the San Francisco Exploratorium. The Exploratorium holds the pi day to date. The Exploratorium celebrates the Pi holiday with great enthusiasm on March 14.

National pi day, March 14, was started officially in the year 2009. The U.S. House of Representatives passed a non-binding resolution recognizing March 14th as the national π day. Celebrate pi day in March with your mathematician’s buddies and spread the word on social media. Celebrating the pi Exploratorium holiday is a big day for all pie lovers.

**Related:** World Maths Day

## Few Facts About pi

- Pi is an irrational number and is calculated according to the ratio of a circle’s circumference. The exact value of pi isn’t known. Any mathematicians couldn’t find a recognizable pattern about the infinite digits of pi that kept emerging starting from 3.1415626……..
- The digits of pi can be calculated over a trillion times after the decimal point. The first three number is only considered.
- Greek letter π 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. It is constant for the circle diameter.
- Pi’s value is vital in measuring natural phenomena such as ocean tides, ebb, and flow. The value of pi also finds its role in measuring electromagnetic waves. The word pie is derived from the Greek letter
**π,**and it is the mathematical constant. - The value of pi is also used to calculate the shape of the rivers, the disc of the sun, and the size of the pupil of our eye. The digits are highly reliable and are used to calculate the circumference of a circle.

## What should we do on National Pi Day?

The national pi day celebration should be a serious celebration day on March 14 by mathematicians. The holiday celebrates the value of pi, especially the first three numbers. The value of pi has trillion digits after the decimal. Checking our memory skills by memorizing as many digits as possible would be wonderful.

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 national pie day to enjoy a lot of pie-eating on March 12

## Why Should We Celebrate 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 has 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 physical world. It is hard to imagine how we would have calculated certain things on this earth if pi was not invented.

### Is Today National Pi Day?

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

2023 | March 14 | Tuesday |

2024 | March 14 | Thursday |

2025 | March 14 | Friday |