In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation or an algebraic expression. In simple words, a variable is a quantity that can be changed and is not fixed. …

Jul 23, 2025 · A variable is like a placeholder or a box that can hold different values. In math, it's often represented by a letter, like x or y. The value of a variable can change depending on the situation. …

In mathematical logic, a variable is a symbol that either represents an unspecified constant of the theory, or is being quantified over. [6][7][8]

Illustrated definition of Variable: A symbol for a value we don't know yet. It is usually a letter like x or y. Example: in x + 2 = 6, x is the variable....

What Is Variable in Maths? A variable in maths is a symbol, usually a letter such as x, y, or n, that represents an unknown or changeable value. Variables are found in many areas of mathematics, …

May 28, 2025 · The variable is an indispensable concept in mathematics and its applications. Its ability to represent changing quantities or unknowns allows for the formulation and solution of a vast range …

In algebra, a variable is usually a letter or other symbol that stands for a number or quantity that may vary. Variables can also be used to represent functions as well as quantities in other mathematical …

Unlike constants that remain fixed, variables are quantities that can change or take on different values. These symbols are fundamental components of algebra, allowing us to represent unknown values …

In this section, we learn the basic definition of a variable. What is a variable and how are variables used in math? When we first learn about variables, the concept can be a bit challenging. A variable is …

Learn about variables in mathematics, including their types, roles in equations and functions, and practical applications. Understand how variables are used in different mathematical contexts and real …