In Math Functions, what is "pi" abbreviation means?


In Math Functions, what does pi stand for?


It is a mathematical constant, whose symbol is π.
It's approximately equal to 3.141592653589793238462643383279502884197169399375105820974944592307816406286...
It keeps on going indefinitely.

It's the relationship between the radius of a circle (r) and its circumference:
circumference = 2πr


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