PIadvanced// Pi β ratio of circumference to diameter
Math.PI // β 3.1415926535...
2 * Math.PI // β 6.2831... (full circle in radians)Use Math.PI when calculating circle circumferences, areas, or converting between degrees and radians.
The exact IEEE 754 double-precision value of Math.PI is 3.141592653589793.
Challenge: Verify the exact stored value and its bounds.