{ ATN2 | ATAN2 }( numeric-expression-1, numeric-expression-2 )

DOUBLE

This function converts its arguments to DOUBLE, and performs the computation in double-precision floating-point arithmetic.

• ACOS function [Numeric]
• ASIN function [Numeric]
• ATAN function [Numeric]
• TAN function [Numeric]

The following statement returns the arc-tangent value for the ratio 0.52 to 0.60:

SELECT ATAN2( 0.52, 0.60 );