I\'m running some Monte Carlo simulations and making extensive use of the Excel function NORM.INV using Office Interrop. This functions takes three arguments (probability, a
I do not know of a library, but found this link - http://home.online.no/~pjacklam/notes/invnorm/ - describing an algoritm. It has implementations in a number of languages, but not C#. You could use the VB.NET version, or port it yourself.