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$$ATAN^XLFMTH(): Arc-Tangent (Radians)

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

Description

The $$ATAN^XLFMTH extrinsic function returns the arc-tangent, with radians output.

Format

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

Input Parameters

x:

(required) Number for which you want the arc-tangent 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-tangent of a number output in radians.

Example

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

>W X
.463647609