The properties of the Math object are different mathematical constants.
Math.E
Euler's constant, the base of natural logarithms. The E property is approximately equal to 2.718.
Math.LN2
The natural logarithm of 2. The LN2 property is approximately equal to 0.693.
Math.LN10
The natural logarithm of 10. The LN10 property is approximately equal to 2.302.
Math.LOG2E
The base-2 logarithm of e, Euler's constant. The LOG2E property is approximately equal to 1.442.
Math.LOG10E
The base-10 logarithm of e, Euler's constant. The LOG10E property is approximately equal to 0.434.
Math.PI
p, the ratio of the circumference of a circle to its diameter, approximately 3.141592653589793.
Math.SQRT1_2
The square root of ½, or one divided by the square root of 2. The SQRT1_2 property is approximately equal to 0.707.
Math.SQRT2
The square root of 2. The SQRT2 property is approximately equal to 1.414.