ArcTan() Function

Returns the arcus tangent of a number. It is the reciprocal function to the Tan() function. Use the ArcTan() function to calculate the angle whose tangent is equal to that number.

Syntax

result = ArcTan (number)

Parameters

number

A literal number, analog tagname, or numeric expression.

Example(s)

ArcTan(1) returns 45.

ArcTan(0) returns 0.