what is the meaning of the constant e
An Intuitive Guide To Exponential Functions & e The mathematical constant e is the base of the natural logarithm. The natural logarithm, formerly known as the hyperbolic logarithm, is the logarithm to the base e, where e is an irrational constant approximately equal to 2.718281828459. Mathematical constant Euler's number e, also known as the exponential growth constant, appears in many areas of mathematics, and one possible definition of it is the value of the following expression: