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ATAN2

This function calculates the arctangent of the specified x- and y-coordinates.

Syntax

ATAN2(x, y)

Arguments

This function has these arguments:

Argument

Description

 x

[Required] The x-coordinate of the point

 y

[Required] The y-coordinate of the point

Remarks

The arctangent is the angle from the x-axis to a line containing the origin (0, 0) and a point with coordinates ( x , y).

The result is given in radians between –PI and PI, excluding –PI. If you want to convert the result to degrees, multiply the result by 180/PI.

Examples

ATAN2(A1,E3)

ATAN2(R1C1,R3C5)

ATAN2(1,1) gives the result 0.7853981634