Template/function libraries for measurement units.

My problem is more cosmetic than this!!
I've had a look at the calculator example, and it has been (and will
continue to be) a nice diversion.  
My question is more to do with the appearance of the numbers in the
display.  Eg. if I have an angle of 135.5 degrees, I'd like to be able
to display it as 2.365 (radians), 135.5 (decimal degrees) 135d30'00.00"
(sexagesimal),  S44d30'E (Bearing) and possibly a few other combinations
as well!!!
Similarly the ability to convert meters to feet and inches.
I had hoped a standards body would have done something like this
already....


Hugh Dixon

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