http://www.tutorialspoint.com/cprogramming/c_operators.htm A list of C operators এখান থেকে logic operators অপারেটর https://www.tutorialspoint.com/cprogramming/c_operators.htm https://www.tutorialspoint.com/cprogramming/c_operators.htm Relational Operation. Tutorialspoint tutorialspoint.com/cprogramming/c_operators.htm tutorialspoint.com/cprogramming/c_operators.htm