For over 4,000 years
pi day has been celebrated for over 4000 years by=g
pi day has been celebrated for over 4000 years by=g
6
For over 4,000 years
For over 4,000 years
554000 years.......
All around the world, because pi is used in many formulas.
not sure
It was introduced by the Welsh mathematician William Jones in 1706
There have been many estimations of Pi by many scientists over the years. To answser this questions, more information is needed. You might also see the link on the history of Pi.
Pi has been known for thousands of years, with its earliest recorded approximations dating back to around 1900 BCE in ancient Egypt and Babylon. The symbol for pi (π) was first used in the 18th century, specifically by Welsh mathematician William Jones in 1706, and later popularized by mathematician Leonhard Euler. Thus, while the concept of pi has existed for over 4,000 years, the symbol itself has been in use for about 300 years.
It can be celebrated in many ways such as making pie, watching the film "pi" and having a pi memorization contest. Other ideas an be eating circular foods and foods like "pi-neapples" and "pi-ke".