sqrt vs ^0.5



On Thu, 2011-11-10 at 10:04 -0800, Richard Fateman wrote:
> >
> > Hope this helps
> 
> Actually, 0.1 is not equal to 1/10.
> 
> 0.1  is a floating point number which is converted to double-float 
> binary, in which internal form it is
> exactly equal to 3602879701896397/2^55.
> 
> This is NOT exactly equal to 1/10. They differ by 1/180143985094819840 
> or   1/(5*2^55).

Hi Richard, 

In what way do you get the exact internal representation of double-float
0.1 inside maxima ? 

Dan