Units??

[Anne Wilson]

On Sunday 03 December 2006 03:49, Mikkel L. Ellertson wrote:
> Anne Wilson wrote:
> > On Saturday 02 December 2006 21:56, Aaron Konstam wrote:
> >> Section form man usits:
> >> INTERACTING WITH ‘UNITS’
> >>        To invoke units for interactive use, type ‘units’ at your
> >> shell prompt.
> >>        The program will print something like this:
> >>
> >>            2131 units, 53 prefixes, 24 nonlinear units
> >
> > I presume that they are the units of measurement, including 24 nonlinear
> > units, though I'm not so sure about the prefixes.
> >
> > Amme
>
> Prefixes are defined separately from base units. In order to get
> centimeters, the units database defines centi- and c- as prefixes.
> Prefixes can appear alone with no unit following them. An exponent
> applies only to the immediately preceding unit and its prefix so
> that cm^3 or centimeter^3 refer to cubic centimeters but
> centi*meter^3 refers to hundredths of cubic meters. Only one prefix
> is permitted per unit, so micromicrofarad will fail, but
> micro*microfarad will work, as will micro microfarad..
>
That's getting technical :-)  Thanks for the explanation, Mikkel.  One more 
bit of knowledge.

Anne
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