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ACOSH

 

Syntax: @ACOSH(X)

X = a numeric value greater than or equal to 1.

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

Examples:

@ACOSH(5) = 2.2924317

@ACOSH(F5) = 5.192926, where F5 = 90

@ACOSH(-1) = Error - @ACOSH, domain is x >= 1


next up previous contents index
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NExS User's Guide, Version 1.4.5
Grey Trout Software
11 April 1999