On Tue, 24 Jun 1997, Tony Moss wrote:
> As a dial maker and reluctant 'number cruncher' I use computer spreadsheets
> for all my calculations but have had to rely on my old printed six-figure
> tables for one remaining job - the log tan values in the sun's azimuth
> calculation.
>
> e.g. My printed tables give the log tan of 25 as 9.668 673 Can I use my
9.668 673 = 10 + log tan 25 degrees; i.e., 10 + (-0.331327)
Does that help at all?
> Casio fx 85s Scientific pocket calculator to achieve this result or do I
> need a special type of calculator? No combination of keystrokes I've tried
> produces anything like that figure and, like Pooh Bear, "my brain is
> starting to hurt".
>
> What am I doing wrong?
>
> Hoping someone out there can offer guidance with a 'mystery sundialling
> gift' as a 'thank you' for the first correct solution!!
>
> Tony
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Richard B. Langley Internet: [EMAIL PROTECTED] or
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Geodetic Research Laboratory BITnet: [EMAIL PROTECTED] or
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Dept. of Geodesy and Geomatics Engineering Phone: (506) 453-5142
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