CREATE FUNCTION ufn_calculate_future_value (sum DECIMAL(38,18),interest DECIMAL(38,18), years INT)
RETURNS DECIMAL(38,18)
	BEGIN
		DECLARE result DECIMAL (38,18);
		SET result :=  sum * pow(1 + interest,years);
		RETURN result;
	END;

#SELECT ufn_calculate_future_value(1000, 0.1, 5);