ISO/IEC 80000 allows the use of either the comma or the full stop (period) as the decimal marker, I believe. The SI Brochure allows either.

ALL international standards, NIST SP 811, IEEE/ASTM SI 10 and many standards derived from them specify that neither a comma nor a full stop should be used as a separator between digits in a number (as when formatted in groups of three digits); instead, a space is to be used. That avoids the conflict mentioned in the initial posting for this thread.

Jim Frysinger

On 2016-08-02 12:47, John Altounji wrote:
It look as a nice compromise on each part. The US goes metric and the French 
drop the comma :)

John Altounji
One size does not fit all.
Social promotion ruined Education.
http://bit.do/tounj


-----Original Message-----
From: USMA [mailto:usma-boun...@colostate.edu] On Behalf Of Brian White
Sent: Tuesday, August 2, 2016 8:17 AM
To: Michael Payne <metricmik...@gmail.com>
Cc: USMA <usma@colostate.edu>
Subject: [USMA 280] Re: ISO Standards

I'm all about metric, but hate the comma as a decimal sign.  :)

On Aug 2, 2016, at 07:35, Michael Payne <metricmik...@gmail.com> wrote:

Interesting conversation with a neighbour over here in France this afternoon. He’d go 
down to the local metal dealer with his order for 3500 mm of steel. But the guy would say 
"no cannot do that" and he couldn’t understand why. I asked how are you writing 
the 3500? Put it down on paper for me.

3,500. I said well you realise the French use the comma as the decimal so he 
thinks you want three point five millimetres of steel, not three thousand five 
hundred millimetres. He’d not noticed that the road signs, everything you see 
has a comma for the decimal maker, and was not aware it was different.

Mike Payne
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James R. Frysinger
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