Base Conversion



>
> > I don't believe Maxima supports this.
>
> If you know of any good programs which support base conversion of 
> reals with arbitary precision, please let me know.
>

Yacas supports this ;-) (sorry, couldn't resist ;-) ):

	In> FromBase(2,"10.1")
	Out> 2.5
	In> ToBase(2,2.5)
	Out> "10.1"