"Dana DeLouis" <ddelouis@bellsouth.net> wrote in message
news:eLBB0JucGHA.3556@TK2MSFTNGP02.phx.gbl...
>> 2^480

>> > Can anybody help me to get a true calculation...

> Here's the answer. This took 0.3 seconds with Excel vba calling the ATP.
> It's much faster if you use your own routines.
> 2^480 =
> 3121748550315992231381597229793166305748598142664971150859156959625371738819765620120306103063491971159826931121406622895447975679288285306290176

Interesting! Could you please expand a little on how you did this? I
hadn't realised that one could bypass Excel's 15 significant figure limit.
--
David Biddulph