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Static Properties

Eight read-only constants hold common irrational values as doubles.

Math constants (rounded to five decimals)
Constant Value Constant Value
Math.PI 3.14159 Math.E (Euler's number) 2.71828
Math.SQRT2 1.41421 Math.SQRT1_2 0.70711
Math.LN2 0.69315 Math.LN10 2.30259
Math.LOG2E 1.44308 Math.LOG10E 0.43429
Using Math constantsJavaScriptLive
const circleArea = r => Math.PI * r ** 2;
console.log(circleArea(5).toFixed(2), Math.E, Math.SQRT2 === Math.sqrt(2), typeof Math);