Pi Approximation Day is observed on July 22 which is dedicated to the mathematical constant pi (π). This day is also known as Casual Pi Day. The fraction 22/7 is an approximate value of Pi.
Daily Current Affairs Quiz 2020
Key-Points
There is a specific reason why this day is observed on July 22 because the value of Pi is denoted by the fraction 22/7. Here, in the fraction 22/7, the numerator 22 denotes the date (22nd day of the month) and the numerator 7 denotes the month (July). This day is also known as Casual Pi Day.
Pi Approximation Day is celebrated in many ways such as having lots of pie and discussing the significance of the Pi. Schools also hold contests to find out which student recalls the Pi to its maximum number of decimal places. And also many Pi games are conducted to the students.
Facts about Pi
Pi is the mathematical constant with the most recognition in the world. Scholars also regard Pi as the most important and interesting number in all mathematics.
The Pi (π) symbol has been used regularly in its mathematical sense for the past 250 years.
The Pi (π) is the first letter of the Greek word “periphery” and “perimeter” first letter.
In the Greek alphabet, the sixteenth letter is π (piwas). P is also the sixteenth letter, in the English alphabet. Pi is also called as the “circular constant” “Ludolph’s number” or “Archimedes’ constant”.
