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What is Pi or Pie ?

Do you know what is pi or pie? Do you know what is the value of pi or pie ?

If you know, that is great. But if you do not know, please do not worry. Find some useful informations below.

- A mathematician: "Pi is the ratio of the circumference of a circle to its diameter."
- A computer programmer: "Pi is 3.141592653589 in double precision."
- A physicist: "Pi is 3.14159 plus or minus 0.000005."
- An engineer: "Pi is about 22/7."
- A nutritionist: "Pie is a healthy and delicious dessert !"

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Have you heard about Google Zeitgeist ? Zeitgeist means "the spirit of the times". Google presents the aggregated results of thousands search queries around the world. There are several tools to look into these data results with the customization, you want.

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