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    Re: Traditional navigation by slide rule
    From: Greg Rudzinski
    Date: 2016 Nov 24, 09:56 -0800

    Tony,

    The Lore teaches us to do the calculations with as few movements as possible. For this the rules usually feature the I-scale which allows for three-operands multiplication with as little as just two cursor's movements and one slider's movement inbetween.

    Attached is a Sun Hc/Az reduction comparing slide rule time vs. Calculator time. Times are very close.  The slide rule needs only 15 moves to generate Hc and Azimuth. 

    Greg Rudzinski



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