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    Re: Need formulas for arcsin and arctan
    From: Dan Allen
    Date: 2006 Mar 27, 17:20 -0700

    On 27 Mar 2006, at 11:54 AM, Paul Hirose wrote:
    
    > 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.
    
    The square root of 2 is
    1.414213562373095048801688724209698078569671875376948
    (done with a special multiple precision math package called gmp), so
    yes, it appears to be correct.
    
    Dan
    
    
    

       
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