Real NumbersA real number is a value that represents any quantity that can be measured - a real value. Real numbers include all the rational numbers:, such as the integer and the fraction , and all the irrational numbers. In fact all numbers except imaginary ones! Real numbers can be thought of as points on an infinitely long line called the number line or real line, where the points corresponding to integers are equally spaced.
Any real number can be determined by a possibly infinite decimal representation such as that of 8.632, where each consecutive digit is measured in units one tenth the size of the previous one. Representing real numbers in a computer
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