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FilledSmallSquareArcTan[z] gives the arc tangent of the complex number z.

FilledSmallSquareArcTan[x, y] gives the arc tangent of , taking into account which quadrant the point is in.

FilledSmallSquare Mathematical function (see Section A.3.10).

FilledSmallSquare All results are given in radians.

FilledSmallSquare For real z, the results are always in the range to .

FilledSmallSquareArcTan[z] has branch cut discontinuities in the complex z plane running from to and to .

FilledSmallSquare If x or y is complex, then ArcTan[x, y] gives . When , ArcTan[x, y] gives the number such that and .

FilledSmallSquare See The Mathematica Book: Section 1.1.3 and Section 3.2.6.

FilledSmallSquare See also: Arg.

Further Examples