PI

PI()

Returns the number PI (3.141592).

REMARKS

* This is one of the few functions that does not require any arguments.
* You must include the empty parentheses after the function name.
* This constant is used to calculate the area of a circle.
* You can use the COS function to return the cosine of a number.
* You can use the SIN function to return the sine of a number.
* You can use the TAN function to return the tangent of a number.
* You can use the SEC function to return the secant of a number.
* You can use the CSC function to return the cosecant of a number.
* You can use the COT function to return the cotangent of a number.
* For the Microsoft documentation refer to support.microsoft.com
* For the Google documentation refer to support.google.com

	A
1	=PI() = 3.142
2	=2*PI() = 6.283
3	=PI()/2 = 1.571
4	=(3*PI())/2 = 4.712
5	=COS(PI()) = -1
6	=SIN(PI()) = 0
7	=TAN(PI()) = 0
8	=SEC(PI()) = -1
9	=CSC(PI()) = 8165619676597690
10	=COT(PI()) = -8165619676597690