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    Atan2
    • 27 May 2022
    • 1 Minute to read
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    Contents

    Atan2

    • Updated on 27 May 2022
    • 1 Minute to read
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    Article Summary

    Calculates the angle between the vertical x-axis, and a line drawn between the given x/y coordinates and the origin. The value is returned in radians.

    Function signature

    ATAN2(numberx: Number, numbery: Number) => Number
    ParameterDescription
    Number XThe x coordinate of the endpoint of the line segment for which to calculate the angle from the x-axis
    Number YThe y coordinate of the endpoint of the line segment for which to calculate the angle from the x-axis.

    Examples

    FormulaReturn value
    ATAN2(0.9, 0.7)0.66104317
    ATAN2(1, -9)-1.46013911
    ATAN2(0.5, 0)0
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