Re: Locale definitions, dots and commas

[Dave Howorth <dhoworth mrc-lmb cam ac uk>]

Martin (OpenGeoMap) wrote:

> Yes 22 m is the same as 22.000 m

No, they are not the same. The second one says that something is known
to within a mm. The first does not.

> PERL Regular expresions are great in C also, but better in perl and 
> Ruby  8-)
> To learn a little about regular expresion you need a PERL book:
> http://www.oreilly.com/catalog/regex/

Thanks but I have a few. I program in Perl (as well as C etc)

>> Bad example.  22 can be expressed exactly in 2s complement.  3 cannot.

The issue is nothing to do with computer representation. Look up
'significant figures'.

Cheers, Dave