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    Re: learning sight reduction
    From: Alexandre Eremenko
    Date: 2006 May 4, 11:41 -0500


    I just wanted to recall that once I published
    a formula for altitude and azimuth on this list,
    taken from an old
    Russian manual,
    that is optimized
    for the use on calculators with only one memory cell,
    like Casio fx.
    It is in my message Sat Feb 12 2005 - 16:28:43 EST.
    (It minimizes the total number of inputs).

    Alex

    On Thu, 4 May 2006, Carl Herzog wrote:

    >
    >
    > I have a Sharp EL-506V that allows degrees, minutes and seconds. I
    > convert back and forth between second and tenths of a minute in my head.
    > It also uses "Direct Algebraic Logic", so I can enter the formulae as
    > normally written. I've found that's made things a lot easier.
    >
    > I keep the Hc and Z formulae -- along with a couple other commonly used
    > ones -- scribbled on a card taped to the back of the calculator cover.
    >
    > Carl Herzog
    > Providence, RI
    >
    >
    >
    >
    > >


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