REAL, Any number that you can think of., RATIONAL, These are the set of all numbers which can be expressed in the form: a/b, where a and b are integers and b is not equal to 0, written as b≠0. It can be expressed as terminating or repeating decimals., IRRATIONAL, means “not rational”. These are the set of all numbers whose decimal representation are neither terminating nor repeating. It cannot be expressed as a quotient of integers., INTEGER, These are the set of numbers formed by positive whole numbers, negative whole numbers, and zero., NEGATIVE, These are whole numbers less than zero and usually mean a value that is a deficit or shortage., POSITIVE, These are the set of numbers that include all natural numbers (also known as counting numbers), NON-INTEGER, These are the set of all numbers that is neither a positive whole number, nor a negative whole number, nor zero. These include decimals, fractions, and imaginary numbers., WHOLE, These are the set of numbers formed by adding 0 to the set of natural numbers (also called as counting numbers)., ZERO, denotes the absence of all magnitude or quantity.

Real Number System

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