Pi Facts

Pi is a mathematical constant that relates the circumference of a circle to its diameter.
Fast Facts:
1. Pi = Circumference divided by diameter
2. Decimal Equivalent: 3.14159 ...
3. Binary Equivalent: 11.00100100001111110110 ...
4. Hexadecimal Equivalent: 3.243F6A8885A308D31319 ...
5. First calculated approx. 2,000 B.C.
6. Pi Day is celebrated on March 14th

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Pi Facts Questions

How can PI be derived without a computer? 3 Answers

Pi is the ratio of the Circumference of the circle to the Diameter because C=Pi * Diameter You can approximate the circumference by adding up the sides of a pol... read more

How are you going to celebrate National Pi Day? 7 Answers

I teach middle school math, and I celebrated Pi Day early with my students. We made Pi Day cards and sang a Pi Day song. Here's the card I made. http://twitpic.... read more

How can I Refute Facts 1 Answer

You can refute a fact when you are sure that the information given in an answer is incorrect. Use the "reply" button on the answer you want to refute. A box wil... read more

Peloponnesian War - some facts? 1 Answer

Here are a few quick facts to help you with your report: 1. The war began on 4 April 431 B.C. with a Theban attempt to surprise Plataea, Athens' ally and outpo... read more

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Pi Facts Blogs and Commentaries
- Google Blog Search: Pi Facts
- Los Angeles Times: The Homeroom : A slice of Pi, please? (March 10, 2008)
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