Natural exponential function. EXP(x) returns the natural exponential of x.
where e is the base of the natural logarithm, 2.718281828459… (Euler's number).
EXP is the inverse function of the LN function.
In MedCalc, Euler's number is returned by the E() function.
EXP(1) = 2.718281828 (the number e)