> If you really want Floating point operations (that is inexact) with more 
> digits, I initiated the ArbitraryPrecisionFloat package at 
> http://www.squeaksource.com/ArbitraryPrecisionFl/ . You can download it 
> using Monticello or SqueakMap (better use Monticello, the SqueakMap will 
> point on an old version).

I think thats exactly what i need,
thanks so much