14.4.7.3 Atan
This method returns an angle in radians whose tangent is the supplied OracleDecimal structure
                  
Declaration
// C#
public static OracleDecimal Atan(OracleDecimal val);Parameters
- 
                        valAn OracleDecimal.
Return Value
An OracleDecimal structure that represents an angle in radians.
                  
Remarks
If the argument has a null value, the returned OracleDecimal has a null value.