👉 In mathematics, a real number is a value of a continuous quantity that can represent distances on a number line, such as heights on a flat ground or the outcomes of physical operations. Real numbers are an extension of the rational numbers and irrational numbers, which are both infinite sequences of digits after a decimal point but do not represent values that can be measured physically. A real number is considered to be positive if it is greater than zero and negative if it is less than zero. A real number can only
