[Om] Questions about representing units

[Professor James Davenport]

On Sat, 21 Feb 2009, Professor James Davenport wrote:
> > Then, how about compound units?  There are some convenience symbols like
> > metres_per_second, but what do we need them for?  Wouldn't it make more
> > sense
> > to do without them (as you suggested to do without metre_squared) and
> > write instead: <snip>divide</snip>
> It probably would do. As and when we can declare individual symbols
> obsolete, I will propose doing so to MOST of these - memory says there 
> are some odd ones, but i can't remember offhand.
It's come back to me. The ones we DO want are miles_per_hour etc., since 
the abbreviation, mph, is non-standard.
metres_per_second we don't need.
James