👉 Bouncy, in mathematics and physics, refers to a number that is not a rational number but can be expressed as a decimal or fraction. This property makes it an interesting example of how numbers can behave unpredictably, even when they are considered to be rational. In mathematics, the term "bouncy" is used to describe numbers that cannot be precisely represented as fractions (i.e., bounces) because their decimal representation may not terminate after a certain number of digits. For example, 1