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Info: WIKIPEDIA:
The number p is a mathematical constant. It is defined as the ratio of a circle's circumference to its diameter, and it also has various equivalent definitions.
It appears in many formulas in all areas of mathematics and physics.
It is approximately equal to 3.14159.
It has been represented by a Greek letter since the mid-18th century, and is spelled out as ‘pi’
It is also referred to as ARCHIMEDES' constant.

Internet: Link-1: WIKIPEDIA

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Created: 16-nov-2020, Manual-update: 19-nov-2020, Batch-update: 25-nov-2022             

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