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 …

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....

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 …

Jul 23, 2025 · In math, it's often represented by a letter, like x or y. The value of a variable can change depending on the situation. For example, if you have the equation y = 2x + 3, the …

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 …

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 …

Variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex …

Learn what a variable is in math with simple explanations. Understand its definition, types, and the difference between dependent & independent variables.

Variables in mathematics are symbols representing unknown numerical values in equations, including dependent and independent types. Explore their definition, classification, and …

In mathematics, variables are symbols that represent unknown values. They are usually denoted by letters such as x, y, z, a, b, c, etc. Variables are used in various mathematical operations …