Cumulative Distribution Function Calculator
- Lognormal Distribution -

   Define the Lognormal variable by setting the mean and the standard deviation in the fields below. Click Calculate! and find out the value at x strictly positive of the cumulative distribution function for that Lognormal variable.

The Cumulative Distribution Function of a Lognormal random variable is defined by:

       where µ denotes the mean, σ the standard deviation and erf the error function.