From: Eric Lemings (lemings_at_[hidden])
Date: 2006-08-23 13:29:44
> -----Original Message-----
> From: Eric Lemings
> Sent: Wednesday, August 23, 2006 10:24 AM
> To: 'boost_at_[hidden]'
> Subject: RE: [boost] Boost Units library preview
> > -----Original Message-----
> > From: boost-bounces_at_[hidden]
> > [mailto:boost-bounces_at_[hidden]] On Behalf Of Phil Richards
> > Sent: Wednesday, August 23, 2006 8:58 AM
> > To: boost_at_[hidden]
> > Subject: Re: [boost] Boost Units library preview
> > On 2006-08-23, Matthias Troyer <troyer_at_[hidden]> wrote:
> > > - Nm would be a "dimension"
> > Not really. It is the unit.
> Correct. A newton is a derived unit composed of base units,
> specifically kilogram, meter, and second. Meter is of course
> a base unit.
> > The dimension is: MASS * LENGTH^2 * TIME^2
> Also correct. Every unit, whether a base unit or derived,
> has a corresponding dimension.
> > > - 1 Nm would be a "quantity"
> No. This is a measure. It has a specific unit and a specific value.
> Here's an example of a quantity. The distance from
> here->| |<-to here is a quantity with a
Well there is supposed to be a lot more whitespace between those
vertical bars. Let's try a quantity of horizontal length.
Hopefully that will appear as a significant distance.
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