# exponential function

## Definitions

### Electronics

- A function which varies as the power of another quantity. Such a function may be expressed, for instance, as
, where*y = a*^{x}is a constant.*a* - The function
, where*y = e*^{x}is the*e*__base__of natural logarithms. An alternate expression for this function is:where*y = exp (x)*is the number to which*x*is raised. It is the inverse function of the natural logarithm function.*e*