Script to find pi to the Nth digit

Users must enter the number of decimals to which the value of pi should be calculated.

The math.acos() method returns the arc cosine value of a number. The value of Π is calculated using acos() function which returns a numeric value between [-Π, Π]. Since using acos(0.0) will return the value for 2Π. Therefore to get the value of Π : pi = round(2acos(0.0));

The round() function returns a floating-point number that is a rounded version of the specified number, with the specified number of decimals.