Variable (mathematics)
In mathematics, a variable is a value that may change within the scope of a given problem or set of operations. In contrast, a constant is a value that remains unchanged, though often unknown or undetermined. The concepts of constants and variables are fundamental to many areas of mathematics and its applications. A "constant" in this context should not be confused with a mathematical constant which is a specific number independent of the scope of the given problem.
Read more about Variable (mathematics): Dependent and Independent Variables, What It Means For A Variable To Vary, Notation, General Introduction, Naming Conventions, Applied Statistics
Famous quotes containing the word variable:
“There is not so variable a thing in nature as a lady’s head-dress.”
—Joseph Addison (1672–1719)