pi()
Published Jul 4, 2023Updated Jul 15, 2023
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The pi()
function returns the value of PI (π).
Syntax
pi();
The pi()
function has no parameters. It returns the value of π as a float. M_PI
, being a constant, also returns the same value.
Codebyte Example
Using pi()
to return the value of π:
Related Constants
Some other predefined named constants related to π are:
Constant | Value |
---|---|
M_PI_2 |
π/2 or 1.570796 |
M_PI_4 |
π/4 or 0.785398 |
M_1_PI |
1/π or 0.318309 |
M_2_PI |
2/π or 0.636619 |
M_SQRTPI |
sqrt(π) or 1.772453 |
M_2_SQRTPI |
2/sqrt(π) or 1.128379 |
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