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$$ACOS^XLFMTH(): Arc-Cosine (Radians)

Reference Type: Supported, Category: Math Functions, ICR#: 10105

Description

The $$ACOS^XLFMTH extrinsic function returns the arc-cosine, with radians output.

Format

  $$ACOS^XLFMTH(x[,n])

Input Parameters

x:

(required) Number for which you want the arc-cosine in radians.
n:

(optional) The precision for the function. Precision means the detail of the result, in terms of number of digits.

Output

returns:

Returns the arc-cosine of a number output in radians.

Example

>S X=$$ACOS^XLFMTH(.5)

>W X
1.047197551