Re: [boost] [review] pqs

From: Andy Little (andy_at_[hidden])
Date: 2006-06-08 12:09:50

"Martin Bonner"  wrote
> Paul Giaccone Sent:
> 
>> Martin Bonner wrote:
>>> Paul Giaccone Sent:
>>> 
>>> 
>>>> Centi-, deci-, deca- and hecto- are not officially part of SI
>>>> nomenclature. 
>>>> 
>>> 
>>> That's not what the Bureau Internatoinal des Poids et Mesures
>>> (http://www.bipm.org/en/si/si_brochure/chapter3/prefixes.html) says.
>>> 
>>> 
>> Interesting... I stand corrected. But are they in official scientific
>> use? 
>>>> Does the second officially take any prefix? Can you talk about a
>>>> "megasecond", 
>>>> 
>>> Yes.  (Although it is EXTREMELY unusual).
>>> 
>> Quoting your source back at you, Martin... according to the section at
>> the bottom of the page, you can't officially say "megasecond".
>> 
>> Paul
> Are you refering to the text:
> "Prefix names and symbols are  [...] never used with the units of time:
> minute, min; hour, h; day, d."

That is because They arent  SI units, but second is so its OK.

regards
Andy Little