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#elisp
Variable: float-pi

The mathematical constant pi (3.14159…).

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GNU Emacs Lisp Reference Manual: Math Functions
This returns the square root of arg . If arg is finite and less than zero, sqrt returns a NaN. In addition, Emacs defines the following common mathematical constants: Variable: float-e The mathematical constant e (2.71828…). <span>Variable: float-pi The mathematical constant pi (3.14159…). Next: Random Numbers, Previous: Bitwise Operations, Up: Numbers [Contents][Index] <span><body><html>


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