------ art_36166_8100245.1182006137786 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Dear all, I am very new to ruby language. I have some question in Ruby arthmetic operation. Why did i get 2 ** 2 ?? a ** 2 puts a --> 4 Why ? It is like 2 ^ 2 ??? regards, salai. ------ art_36166_8100245.1182006137786--