A symbol that has a fixed numerical value is called a constant.

Math definition of variable. In simpler terms, a variable stands as a symbol for an unknown number whose value is not given. A variable is a letter, either lowercase or uppercase. The value of the “x” variable can easily be.

In mathematics, a variable is a symbol used to represent an arbitrary element that can change or that may take on different values. Number of students in a class. • a letter or symbol representing a varying quantity, for example, n in 10 + n.

Here are a few examples of variables: A symbol for a value we don't know yet. H = number of hours spent on the internet per day.

You can use any of the english alphabets such as a, b, c, x,y, p, q in lower or upper case to represent a. For example, x + 8 = 16; What is an independent variable in math?

It is usually a letter like x or y. Generally, we use a single letter or alphabet to represent a. Why variable when it may have just one value?

In the case of x +. In math, a variable is a letter used in place of an. Britannica dictionary definition of variable.