Number or Number ( Number ) is one of the basic concepts of mathematics. This concept is very complex and is discussed in the past and more about security and thinking was put in. quotes that Plato in part from his travels with ideas of strange , including that the numbers of the objects surrounding physical man, the real trend was familiar. at the beginning of the number for counting, and the measure went to work, but so are mathematicians, the concept of IT ago was and the concept of the number zero, negative numbers, etc. numbers, imaginary and complex numbers the innovations were. Mathematical operations include special methods that one or more numbers as the inner and get a number as the exterior makes. Operation only a number as the inner (input) and produce a number of outer (output) does. For example, counting operations a operation that to a number (number), correct the number one adds, and, therefore, sequence number 4 becomes 5. Operations, binary (binary) number of inner reception and a number of outer pays. Examples of the operation binary (binary) are: sum (add), a subtraction (), in factoring (part out) and be. Study and read operations, numeric (number) the account is called.