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  • Committer: Bazaar Package Importer
  • Author(s): Hamish Moffatt
  • Date: 2001-09-02 15:15:21 UTC
  • Revision ID: james.westby@ubuntu.com-20010902151521-doo25fmfq7v3pxkg
Tags: upstream-5.1
Import upstream version 5.1

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helpfiles/radarctan
 
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RADARCTAN num
 
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(RADARCTAN x y)
 
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        outputs the arctangent, in radians, of its input.  With two
 
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        inputs, outputs the arctangent of y/x, if x is nonzero, or
 
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        pi/2 or -pi/2 depending on the sign of y, if x is zero.
 
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        The expression 2*(RADARCTAN 0 1) can be used to get the
 
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        value of pi.
 
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