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    Re: Refraction
    From: Marcel Tschudin
    Date: 2005 Aug 17, 00:07 +0300

    Frank wrote
    
    > Just for  reference for everyone else, this code is available on S&T's web
    > site:
    > http://skyandtelescope.com/resources/software/
    > as refr1.bas on page  3 of "Basic Programs". This is very old-fashioned
    > code
    > --line-oriented BASIC  with variable names limited to two characters-- but
    > it's not too painful to  convert to your favorite flavor of a modern
    > language,
    > and the general approach  appears to be reasonable. Bear in mind that
    > certain
    > choices for things like step  size in integration were chosen with 1989's
    > least
    > expensive second-hand personal  computers in mind (think Apple IIe).
    
    Does anyone of you know where to obtain a newer program in source code and
    with a description of what it does?
    
    Marcel
    
    
    

       
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