Math constants
document.write ( " Perimeter of a circle of diameter 2 meter = " + Math.PI*2 + " meter ");Perimeter of a circle of diameter 2 meter = 6.283185307179586 meter| Constants | Description |
| Math.PI | Value is 3.141592653589793. This is the value of PI used trigonometry |
| Math.E | Value is 2.718281828459045, known as Euler's constant |
| Math.LN2 | Equal to 0.6931471805599453, natural logarithm of 2 |
| Math.LN10 | Equal to 2.302585092994046 natural logarithm of 10 |
| Math.LOG2E | Equal to 1.4426950408889633 base 2 logarithm of E |
| Math.LOG10E | Equal to 0.4342944819032518 base 10 logarithm of E |
| Math.SQRT2 | Equal to 1.4142135623730951 square root of 2 |
| Math.SQRT1_2 | Equal to 0.7071067811865476 square root of 1/2 |
JavaScript Math Reference
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Math Functions in JavaScript
Math Functions Math Constants used JavaScript random() function to generate random numbersround() function to get rounded value of a numberIsNaN() function to check data if number or notceil() function to get just next higher integerfloor() function to get just highest lower integertoFixed() function to format decimal places of a numbertoPrecision() function to fix the places of a numberparseFloat() function to convert string to floating numberparseInt() function to convert string to numbermodulus % to get the reminder of a divisionpow to get the power of an integermax to get the highest integer from a set of numberabs to get the absolute value from any integersqrt to get square root of any numberlog to get the log value of numberexp to get E to the power of XMath conversion from one base to other for number systemMath conversion Decimal to Hexadecimal number system