Derek and others,

On Mon, 1998-07-13 18:24:35 -0400, Derek Drew wrote:

> ...
> What is an "angle unit"?

That's the unit used to  measure angles.  Most commonly degrees, minutes
and seconds are  used   for that purpose    (but there are    also other
systems), with 60 seconds  equalling  1 minute,  60 minutes  equalling 1
degree, and 360 degrees making a full circle.

Sincerely
 Rainer

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