bug#1018: 23.0.60; Calculator Units Table "weirdness"

[Jay Belanger]

David Hansen <david.hansen@gmx.net> writes:
...
> I think I get it now.  But why is "Troy ounce" or "Horsepower" marked as
> inexact?

Good question.  I checked the reference I used on horsepower, and it
gave several versions, some of which were listed as exact.  Wikipedia
led me to the AT&T Numericana page, where an exact value of horsepower
(in terms of watts) was given.  (This does not match any of the exact
values given by the Encyclopaedia of Scientific Units, alas.)  The
Numericana page does mention different versions of horsepower, but
implies there's a canonical one.  Perhaps this version and the metric
horsepower should both be included; they both have exact values.  I'll
go through the units and double check all the approximations, putting in
the exact values when possible.

>> When the units table is displayed, having a conversion factor that is a
>> float indicates that it isn't exact; if conversion factors like that
>> between a tsp and ml are going to be displayed as a float, then there
>> needs to be another indicator that some values are not exact.
>
> That would be nice.  The unit table is incredible important to read
> cooking recipes, now imagine you make a mistake by a whole order of
> magnitude :)

Sorry about that.  I'll have the display fixed this weekend, or Monday
evening at the latest.

Jay