LOGNORMDIST function returns the lognormal distribution. @x is the value for which you want the distribution, @mean is the mean of the distribution, and @stdev is the standard deviation of the distribution.
If @stdev = 0 LOGNORMDIST returns #DIV/0! error. If @x <= 0, @mean < 0 or @stdev < 0 LOGNORMDIST returns #NUM! error.
This function is Excel compatible.