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    Re: Russian formula for Casio
    From: Frank Reed CT
    Date: 2005 Feb 12, 22:53 EST
    George H wrote:
    "Do check, won't you, that the conversion routines work correctly for
    negative angles."
    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. No big deal. Any trig calculator should do that and most do, but the implementation is very nice on the casio fx-2** series, even improved on the latest models. And it costs $8 or less and lasts forever.
    By the way, if any word in the above post is considered an insult by any list member, I apologize in advance and prostrate myself before you for punishment. :-)
    42.0N 87.7W, or 41.4N 72.1W.
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