Ask Dr. Math: About Pi
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Description: Explains what the constant is and a brief history. Includes resource links.
Math Forum: Ask Dr. Math FAQ: About Pi What is pi ()? Who first used pi? How do you find its value? What is it for? How many digits is it? By definition, pi is the ratio of the circumference of a circle to its diameter. Pi is always the same number, no matter which circle you use to compute it.
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| Page title: | Math Forum: Ask Dr. Math FAQ: About Pi |
| Keywords: | pi 3.14159265358 |
| Description: | What is Pi? Who first used Pi? How do you find it? What is it for? How many digits is it? |
| IP-address: | 144.118.94.19 |