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ATANH

 

Syntax: @ATANH(X)

X = a numeric value between -1 and 1

@ATANH returns the hyperbolic arc tangent of angle X. The result is the angle (in radians) whose hyperbolic tangent is X.

Examples:

@ATANH(0) = 0

@ATANH(J20) = 1.127029, where J20 = 0.81

@ATANH(1) = Error - @ATANH, domain is -1 < x < 1


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Next: AVG Up: A Function Reference Previous: ATAN2

NExS User's Guide, Version 1.4.5
Grey Trout Software
11 April 1999