Pi Puns

Pi day Video: Pi day Song

https://www.youtube.com/watch?v=nmXkDbGdD4Q

Pi Jokes

PIctures

PIctures

Pi Websites

http://en.wikipedia.org/wiki/Pi#Properties

library.thinkquest.org/C0110195/uses/uses.htm

http://www.ask.com/question/what-is-pi-used-for

http://www.ms.uky.edu/~lee/ma502/pi/MA502piproject.html

Properties of Pi

Pi is:

• an irrational number
• a transcendental number
• cannot be written as a ratio of two integers
• cannot be written as a common fraction
• has an infinite number of digits 

Uses of Pi

Uses of PI

At a basic level, Pi is used to calculate area and circumference 

Formulas for Pi:

When using Pi for problems, the number is usually estimated to "3.14" (the first 3 digits)

10 Random Pi Facts

10 Random Pi Facts :)  

source: http://facts.randomhistory.com/2009/07/03_pi.html

1. The symbol for pi (π) has been used regularly in its mathematical sense only for the past 250 years.^c
2. ^{A mysterious 2008 crop circle in Britain shows a coded image representing the first 10 digits of pi}
3. ^{Computing pi is a stress test for a computer—a kind of “digital cardiogram.”}
4. ^{Pi is also referred to as the “circular constant,” “Archimedes’ constant,” or “Ludolph’s number}
5. ^{The first 144 digits of pi add up to 666}
6. ^{Egyptologists and followers of mysticism have been fascinated for centuries by the fact that the Great Pyramid at Giza seems to approximate pi. The vertical height of the pyramid has the same relationship to the perimeter of its base as the radius of a circle has to its circumference}
7. During the famed O.J. Simpson trial, there were arguments between defense attorney Robert Blasier and an FBI agent about the actual value of pi, seemingly to reveal flaws in the FBI agent’s intellectual acumen.^d
8. A Givenchy men’s cologne named Pi is marketed as highlighting the sexual appeal of intelligent and visionary men.^h
9. We can never truly measure the circumference or the area of a circle because we can never truly know the value of pi. Pi is an irrational number, meaning its digits go on forever in a seemingly random sequence.^f
10. Darren Aronofsky’s fascinating movie π (Pi: Faith in Chaos) shows how the main character’s attempt to find simple answers about pi (and, by extension, the universe) drives him mad. The film won the Directing Award at the 1988 Sundance Film Festival.

Historical Overview of Pi

Historical Overview of Pi

• The number Pi is the ratio of circumference

• discovered by the ancient Babylonians

• In the 5th century, Tsu Chung-Chi confirmed that 3.1415926 <  < 3.1415927

• Leonardo Da Vinci, Gregory, Euler and Leibniz worked with pi and added valuable information to the number.
• Today, there are over 100,000 numbers of Pi

source: 

http://www.geom.uiuc.edu/~huberty/math5337/groupe/overview.html

Pi Day Digits

Here are some of the first numbers of Pi:

3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481 117450284102701938521105559644622948954930381964428810975665933446128475648233 786783165271201909145648566923460348610454326648213393607260249141273724587006 606315588174881520920962829254091715364367892590360011330530548820466521384146 951941511609433057270365759591953092186117381932611793105118548074462379962749 567351885752724891227938183011949129833673362440656643086021394946395224737190 702179860943702770539217176293176752384674818467669405132000568127145263560827 785771342757789609173637178721468440901224953430146549585371050792279689258923 542019956112129021960864034418159813629774771309960518707211349999998372978049 951059731732816096318595024459455346908302642522308253344685035261931188171010 003137838752886587533208381420617177669147303598253490428755468731159562863882 353787593751957781857780532171226806613001927876611195909216420198938095257201 065485863278865936153381827968230301952035301852968995773622599413891249721775