----- "Sim Zacks" <s...@compulab.co.il> wrote:

> >> According to the documentation, numeric is stored without any
> leading
> >> or trailing zeros.
> >>     
> >
> > That says *stored*; it doesn't say *displayed*.
> >
> >                     regards, tom lane
> >   
> If it displays them, it has to know they exist. That means it stores
> it
> somewhere.
> > The part of the above that you need to look at is where it says it
> does not 
> > store 'any extra leading or trailing zeroes'. In your case you
> entered the 
> > value with three trailing zeroes which are taken to be significant
> (see Toms 
> > reply also). If you had inserted just 15 you would have gotten back
> 15.
> >   
> I guess that's a matter of interpretation. To me zeros after a
> decimal
> point without anything else after them are extra.

See below for an explanation of why the above statement is incorrect.
http://en.wikipedia.org/wiki/Significant_figures



Adrian Klaver
akla...@comcast.net


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