Algebra as Wikipedia.com said, is the branch of mathematics concerning the study of the rules of operations and relations, and the constructions and concepts arising from them, including terms, polynomials, equations and algebraic structures. Or, for the simple one, it is about x and y number. And together with geometry, analysis, topology, combinatorics, and number theory, algebra is one of the main branches of pure mathematics. But as usual, mathematics study always make us worried, fear, panic and also phobia. It just because, not all of us is smart enough to think like Einstein. But mathematics is also the main study that we always ought to take it. So, may be we will need an assistant....