#1 Pi is approximately equal to 3.14, and is the ratio of any circle's circumference to it's diameter. Pi is from the Greek word for perimeter.
#2 Pi is a very old number. Pi was known to the Egyptians, who managed to calculate pi to 3.1604. The oldest known reference is in a papyrus scroll from 1650 BC, which says it was made like "writings made of old". Around 200 BC, the Greek mathematician Archimedes found that Pi is about 3.14. In 1706, an English mathematician named William Jones named the number for the Greek letter Pi.
#3 Pi is one of the most famous numbers in the history of mathmatics.
#4 The formula for Pi is the ratio of the circumference of a circle to it's diameter.
#5you can calculate pi in two different ways.the insiders 2n gon method,andthe archimedes method.
#6 An odd fact about Pi is that I (Jonah) found my birthday, 1-30, in the big amount of Pi numbers.
#7 Another odd fact about Pi is that the record for the most Pi decimals places on a computer is 6,442,450,000 decimal places.
#8 Pi is a number that can not be round. It goes on forever, other wises known as google-plex. But, it was dicided to be shown as 3.14, instead of the whole number.
#9 The number real number for Pi has never actully been found. The highest a compture has ever gotten up it was its 6,442,450,00th diget.

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