LOGINV(p,mean,stddev)
LOGINV function returns the inverse of the lognormal cumulative distribution. p is the given probability corresponding to the normal distribution, mean is the arithmetic mean of the distribution, and stddev is the standard deviation of the distribution.
LOGINV(0.5,2,3) equals 7.389056099.
EXP, LN, LOG, LOG10, LOGNORMDIST.