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Frank

I'm confused.  20d 30' 15" would be 20.50416667. -20d 30' 15" would be
-20.50416667.  Where does -20'30'15' (all minutes) come from?

If I enter 20.3015 and then press the 2nd DMS-DD keys on my TI-30Xa, then I
would get 20.50416667 decimal degrees.

Are you suggesting degrees must be entered and converted, then minutes, then
seconds on a Casio?

Perhaps it's just a difference between Chicago and Associate Press style
manuals.  A co-worker of Kurt Vonnegut, Jr. at GE taught me that spaces
between letters and commas--like advertising account executives--add no
information to the process but do on occasion make things clearer.  Of
course he worded it better. 

Bill




> They're not really conversion "routines" per se, George. As noted in other
> messages, these casios are not programmable. It's really just a D.M.S. key
> that we're talking about. So, for example, you could enter -20, press DMS
> (it's labeled symbolically), then enter 30, press DMS again, and finally enter
> 15, and press DMS again. The calculator displays -20'30'15' and internally
> it's represented as
> -20.50416667.

   

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