Lecture on Integers

Main focus of this lecture is to present on Integers. Integers are the set of whole numbers and their opposites.  Two integers are opposites if they are each the same distance away from zero, but on opposite sides of the number line. Positive integers can be written with or without a sign. Here briefly focus on Addition; Subtraction; Multiplication and Division Integers. The integer zero is neither positive nor negative, and has no sign.