1a : a quantity that may assume any one of a set of values. b : a symbol representing a variable. 2a : something that is variable. b : a factor in a scientific experiment that may be subject to change.

What is variable in simple words?

A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.

What is a variable short answer?

Answer: A variable is a datatype whose value can not be fixed. It can be change based on other parameters. For example, Let X is a variable so that its value can be anything like 1,2,3...... or a,p,r, or any word. It can not be fixed.

What is variable and example?

A variable is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables.

What is variable in your own words?

The definition of a variable is something that can change, or is a quantity in an equation that can change its value. ... Variable is defined as something inconsistent or able to change.

What is a Variable? | Variables in Math Introduction | Algebra

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How do you explain variables to a child?

In most programming languages, a variable is a container that holds information that you can access. You can think of a variable as a box that contains something. You can open the box to find out what is inside, or even put something else into the box. In some ways, human memory and computer memory are similar.

What is variable in an experiment?

A variable is anything that can change or be changed. In other words, it is any factor that can be manipulated, controlled for, or measured in an experiment.

How do you write a variable?

To declare a variable is to create the variable. In Matlab, you declare a variable by simply writing its name and assigning it a value. (e.g., 'jims_age = 21;'). In C, Java you declare a variable by writing its TYPE followed by its name and assigning it a value.

What does variable mean in math?

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-number unknowns), t (time), r (radius), and s (arc length).

What are variables in economics?

Economic variables are measurements that describe economic units, like the GDP, Inflation or Interest Rates. A variable is defined as a set of attributes of an object. ... Economic variables are measurements that describe economic units, for example, a country, a government, a company or a person.

What is variable description?

A variable is a name that can be bound (or set) to an object. The object to which a variable is bound is called a value; we say also that variable holds that value.

What is variable Wikipedia?

Variable (computer science), a symbolic name associated with a value and whose associated value may be changed. Variable (mathematics), a symbol that represents a quantity in a mathematical expression, as used in many sciences. Variable (research), a logical set of attributes. Variable star, a type of astronomical star.

What is variable sentence?

Definition of Variable. capable of changing. Examples of Variable in a sentence. 1. With this variable weather, it can be hot today and cold tomorrow.

What is variable noun?

Variable nouns are nouns which combine the behaviour of count and uncount nouns. They are like count nouns when they refer to an instance or more than one instance of something, e.g. an injustice; injustices, or to individual members of a class, e.g. a cake; cakes.

What is not variable?

adjective. Consistent or having a fixed pattern; not liable to change. 'a non-variable rate mortgage is the most stable option with little risk'

What are variables in a study?

In research, variables are any characteristics that can take on different values, such as height, age, species, or exam score. In scientific research, we often want to study the effect of one variable on another one. ... Its value is independent of other variables in your study. The dependent variable is the effect.

What is a good example of a variable name?

The following are examples of valid variable names: age, gender, x25, age_of_hh_head.

What is a variable in Science example?

Independent Variable: The independent variable is the one condition that you change in an experiment. Example: In an experiment measuring the effect of temperature on solubility, the independent variable is temperature. Dependent Variable: The dependent variable is the variable that you measure or observe.

How do you find variables in an experiment?

1. Independent Variable = What the investigator manipulates; the particular treatment or condition the. ...
2. Dependent Variable = What is measured or observed; the "data" collected in the experiment. ...
3. Control Group = Those participants treated just like the experimental group EXCEPT they are not.

What are variables in chemistry?

Variables are all the quantities that could change in an experiment. Typical variables in a chemistry experiment include: nature of a substance. concentration.

What is a variable in real life?

A variable is a number that does not have a fixed value. The picture and the list below show some real-life examples, where the value of a variable changes with the change in place and time. The temperature in different places also change. The height of a growing child changes with time.