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atan

# $EPIC: atan.txt,v 1.3 2006/08/21 01:55:33 sthalik Exp $

Synopsis:

$atan(<number>)

Technical:

  • Returns the principal value in radians of the arc tangent of <number>.
  • If the <number> argument is omitted the empty string is returned.
  • As always, the return value is limited to 6 decimal places.
  • As always, DOM or RANGE means there was an error.

Returns:

The arc tangent of an angle

History:

atan.txt · Last modified: 2006/08/29 16:08 (external edit)