The Theory of Functions of a Real Variable and the Theory of

real number Summary Any number that can be put on a number line is a real number Integers like −2, rational numbersdecimals like , and irrational numbers like √2

Mathematical Number Sets · Natural Numbers are nothing more than your counting numbers: 1, 2, 3, … · Whole Numbers are your counting numbers but real number Real Numbers Real numbers are values that can be expressed as an infinite decimal expansion Real numbers include Integers, Natural Numbers, and others we will