This via the C# irc channel on freenode.
14:37 [ dman] what can i use to do huge calculations
14:37 [ dman] like _huge_
14:37 [ dman] bigger than a unsigned long huge
14:50 [ Flav] on integers?
14:50 [ Flav] or floating point?
15:00 [ dman] Flav integer calculations
15:00 [ dman] im thiking maybe an array of integers
15:00 [ tobehz] BigInteger
15:01 [ dman] BigInteger?
15:07 [ Flav] are you willing to use the J# download? 🙂
15:08 [ Flav] http://msdn.microsoft.com/msdnmag/issues/05/12/NETMatters/default.aspx
15:08 [ Flav] or, the one from codeproject (i haven’t) http://www.codeproject.com/csharp/biginteger.asp