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. …

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....

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. …

One of the variables, N, the number of particles, is a positive integer (and therefore a discrete variable), while the other three, P, V and T, for pressure, volume and temperature, are continuous variables.

What does the word variable mean in math? A variable is a quantity whose value can change. It can be a number, a function, a list of values, or an expression. You can change the value of a variable using …

The meaning of VARIABLE is able or apt to vary : subject to variation or changes. How to use variable in a sentence.

In algebra, some values are fixed, while others are allowed to vary. The values that are allowed to vary are variables. They are represented by letters and symbols: In algebra, values that are not variables …

Oct 25, 2022 · In elementary mathematics, a variable is an alphabetic character representing a number which is either arbitrary or not fully specified or unknown. Making algebraic computations with …

Variables are symbols that don’t have a fixed value. Learn about Variables, Constants, Coefficients and variable expressions. Solved Examples and Questions.

What are terms, variables, coefficients and constants in algebra, variable expressions, Grade 6 algebra with video lessons, examples and step-by-step solutions.