Q:
# Where Did Pi Come From?

The concept of the mathematical constant pi dates back approximately 4000 years to ancient Mesopotamia. Babylonian mathematicians found that the area of a circle was figured by taking the square of the radius, multiplied by their closest approximation of pi, which was 3.

Continue ReadingThe name pi came into use alongside the Greek character pi in the early 18th century, when British mathematician William Jones used the symbol to denote the ratio of a circle's circumference to its diameter. Over the millennia, the understanding and definition of pi has improved, and contemporary supercomputers can compute pi to over 10 trillion digits.

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Q:
## What Does Pi Stand For?

A: The number pi represents the ratio of a circle's circumference to its diameter. The ratio never changes for any circle. It is approximately valued at 3.14,... Full Answer >Filed Under: -
Q:
## What Is Pi Used For?

A: Pi is used to find the circumference and area of a circle. It is also used to find the volume and surface area of a sphere, cone and cylinder. Pi has appli... Full Answer >Filed Under: -
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## What Is Pi in Math?

A: Pi is a mathematical constant and irrational number representing the ratio of a circle's circumference to its diameter with a value of approximately 3.1416... Full Answer >Filed Under: -
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## Why Does Pi Not Have Units?

A: Pi does not have units because it is a number, not a measurement. However, pi is sometimes treated like a unit when referring to angle measurements because... Full Answer >Filed Under: