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 had been found over 2,000 years before Einstein was born.
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".