Fact about national Pi day

March 14th is the national Pi day.

Here is a list of fact about Pi

• What is Pi?
  • Pi is the ratio of any circle’s circumference to its diameter.
• When was Pi first adopted?
  • The Pi symbol was adopted by Swiss mathematician, Leonard Euler, in 1737
• When is the earliest reference to Pi?
  • Pi occurred in Ancient Egypt around the year 1650BC is the earliest recorded reference.
• How long is Pi?
  • It will take a person 133 years to recite the 6.4 billion knows digits of Pi without stopping.
• Who founded the Pi day?
  • Comparing to the long history of Pi, the Pi day have a fairly short history. It is founded by physicist Larry Shaw in 1988.
• Who calculated the Pi?
  • The calculated of Pi is not done, yet. But the Fabrice Bellard calculated 2.7 trillion decimal places on just a desktop computer.
•  Other fun fact?
  • Theoretical physicist Albert Einstein and NBA superstar Stephen Curry both are born on March 14th!
  • Most pizzerias and bakeries offer special Pi Day deals and discount on March 14th.

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