# What Are Variables?

A variable is something that can be changed, such as a characteristic or value. Variables are generally used in experiments to determine if changes to one thing result in changes to another. In mathematics, a variable is capable of assuming any of a set of values as it doesn't have a fixed quantitative value.
variable - Definition [vair-ee-uh-buhl]
(a.) Changeable
(n.) Something variable
Source: Dictionary.com
Variables are things which we control, measure and manipulate when doing research. They normally differ on how they can be measured and on the amount of information their measurement scale can offer. Variables are divided into two parts: dependent and independent variables.
A variable is an attribute of a physical or an abstract system which may change its value while it is under observation.
Variables are the things that cannot be changed such as value or characteristic. They are mostly used in psychology to experiment and determine if the change in one thing is the same as another. They can be used to represent characters, strings and memory addresses.
A variable is simply something that can be changed, such as a characteristic or value. It is any entity that can take on different values or anything that can vary. They are used in psychology experiments which determine if changes to one thing result in changes to another.
The variables are symbols that stand for a value that may vary, the term usually occurs in contrast to constants , which is the symbol used for non varying values.
When used in math a variable is usually a symbol that is used to represent a term that's value can change. A commonly used variable is x.
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