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Re: Need formulas for arcsin and arctan
From: Richard B. Langley
Date: 2006 Mar 27, 15:33 -0400
From: Richard B. Langley
Date: 2006 Mar 27, 15:33 -0400
The 32 digits are correct. Mathematica gives the same result.
-- Richard Langley
On Mon, 27 Mar 2006, Paul Hirose wrote:
>Everyone with Windows has a calculator with trig functions. You just
>have to know where to look. In Windows XP, click the Start button,
>Accessories, Calculator. If the standard (non-scientific) calculator
>appears, click View, Scientific.
>
>To get arc sine of .5 for example, put .5 in the calculator display,
>click the Inv box, then click sin. The result should be 30.
>
>The Windows calc has a hellacious number of digits. The square root of 2
>gives 1.4142135623730950488016887242097. I have no idea if all these
>digits are valid.
>
>It is strange that there's no square root key. You have to click Inv
>then the x^2 key to extract a square root. I'd give up the x^3 key in
>exchange for a square root key.
>
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Richard B. Langley E-mail: lang@unb.ca
Geodetic Research Laboratory Web: http://www.unb.ca/GGE/
Dept. of Geodesy and Geomatics Engineering Phone: +1 506 453-5142
University of New Brunswick Fax: +1 506 453-4943
Fredericton, N.B., Canada E3B 5A3
Fredericton? Where's that? See: http://www.city.fredericton.nb.ca/
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