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2. Pi Day - Wikipedia

   en.wikipedia.org/wiki/Pi_Day

   Pi Day is frequently observed on March 14 (3/14 in the month/day date format), but related celebrations have been held on alternative dates. Pi Approximation Day is observed on July 22 (22/7 in the day/month date format), since the fraction 22 ⁄ 7 is a common approximation of π , which is accurate to two decimal places and dates from ...

3. What's Pi Day all about? Math, science, pies and more - AOL

   www.aol.com/news/whats-pi-day-math-science...

   Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many ...

4. NASA wants students to solve its Pi Day Challenge

   www.aol.com/nasa-wants-students-solve-pi...

   Pi is the ratio of a circle's circumference to its diameter. That number is rounded to 3.14, which is why Pi Day is celebrated on March 14.

5. Proof that 22/7 exceeds π - Wikipedia

   en.wikipedia.org/wiki/Proof_that_22/7_exceeds_π

   Proofs of the mathematical result that the rational number ⁠ 22 / 7 ⁠ is greater than π (pi) date back to antiquity. One of these proofs, more recently developed but requiring only elementary techniques from calculus, has attracted attention in modern mathematics due to its mathematical elegance and its connections to the theory of Diophantine approximations.

6. Like infinite digits of pi, there are endless ways to ... - AOL

   www.aol.com/infinite-digits-pi-endless-ways...

   Pi Day is celebrated each year on March 14 because the date's numbers, 3-1-4 match the first three digits of pi, the never-ending mathematical number. "I love that it is so nerdy. We are pi nerds ...

7. William Jones (mathematician) - Wikipedia

   en.wikipedia.org/wiki/William_Jones_(mathematician)

   William Jones, FRS (1675 – 1 July 1749 [1]) was a Welsh mathematician best known for his use of the symbol π (the Greek letter Pi) to represent the ratio of the circumference of a circle to its diameter. He was a close friend of Sir Isaac Newton and Sir Edmund Halley.

8. These Funny Pi Day Jokes Will Cause Never-Ending Laughter - AOL

   www.aol.com/funny-pi-day-jokes-cause-212400414.html

   You'll find hilarious Pi Day puns, math jokes, one liners, and more! Being the funniest person on March 14 will be easy as pie with these silly Pi Day jokes! You'll find hilarious Pi Day puns ...

9. List of formulae involving π - Wikipedia

   en.wikipedia.org/wiki/List_of_formulae_involving_π

   "The amazing number π " (PDF). Nieuw Archief voor Wiskunde. 5th series. 1 (3): 254– 258. Zbl 1173.01300. Kazuya Kato, Nobushige Kurokawa, Saito Takeshi: Number Theory 1: Fermat's Dream. American Mathematical Society, Providence 1993, ISBN 0-8218-0863-X