Pi+3.14


 * What is TT?**

TT is the ratio of the circumference of a circle to its diameter.


 * What language does it come from?**

TT is from the language Greek.


 * Pi history**

TT is a very old number. We know that because the Egyptians and the Babylonians used it. TT is a little bit bigger then 3.TT, ( or P for us),In Greek, means perimeter. The first person to use it in America was in 1706: By William Jones.


 * What kind of number is it**

TT is an irrational number


 * How do you calculate TT?**

When your calculating TT, you times TT by the diameter to find the circumference.


 * Here are some formulas**

- the volume of a cone -the volume of a cylinder -the circumfrence of a circle -the area of a circle -the surface area of a cylinder


 * Here are some links**

[|Pi,Pi,Mathamatical,Pi]

[|Mister teacher]

[|Pi Searcher] The Pi Searcher is where you can type in your brithday and find it in the TT