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Function Description

Returns the arctangent, or inverse tangent, , of the specified x- and y-coordinates. The arctangent is the angle from the x-axis to a line containing the origin (0, 0) and a point with coordinates , Differs from MnAtan as the latter returns an answer between  and  so does not differentiate between  and .


Note: the ordering of the input variables (first parameter: , second parameter: ) is as per the ATAN2 function in Excel but the ATAN2 function in .NET has the parameter order reversed.


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