Math constants return constant values that are properties of the Math object. These include the following: E, LN2, LN10, LOG2E, LOG10E, PI, SQRT1_2, SQRT2.
The following table lists constant values that are properties of the Math object.
Equal to approximately
The mathematical constant e. This is Euler's number, the base of natural logarithms.
The natural logarithm of 2.
The natural logarithm of 10.
The base-2 logarithm of e.
The base-10 logarithm of e.
Pi. This is the ratio of the circumference of a circle to its diameter.
The square root of 0.5, or, equivalently, one divided by the square root of 2.
The square root of 2.