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Documentation Index

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Two-argument arc tangent function. Calculates the angle, in radians, between the specified positive x-axis value and the ray from the origin to the point (y,x).

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Syntax

ATAN2(<value_y>,<value_x>)

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Parameters

ParameterDescriptionSupported input types
<value_y>The y value in the arc tangent calculationDOUBLE PRECISION
<value_x>The x value in the arc tangent calculationDOUBLE PRECISION

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Return Type

DOUBLE PRECISION

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Example

The following example calculates the arc tangent of the values 11 and 3: