In math, a variable means something in an equation whose numerical value is not defined. In science, it refers to the things in an experiment that are manipulated by the experimenter. In computer science, a variable is a name that points to a storage location.
The term variable means the term holds the value and can change at any time. The value can be anything like a string, character, integer, real number.
All the values are ultimately presented in terms of 0s and 1s
to change only one thing at a time in a controlled experiment.
variables are anything that might change the outcome of an experiment or problem.
A variable is a named memory address in which a value may be stored and mutated.
A variable resistor means that the resistance can be varied, usually by using a slide. A fixed resistor can not be varied.
A local variable is a variable declared inside a construct, such as a class or function, while a global variable is a variable declared outside of any construct.
Pointer can be defined as variable that is used to store memory address , usually the location another variable in memory. Pointers provide a means through which memory location of a variable can be directly accessed.
If you define a variable inside of your function, the variable can be referred and used only inside of that function. It means that you will not able to use the variable in another function (including main). Area of code where your variable can be used after declaration is usually called visibility of the variable.
The Scope of a variable defines the areas of a program where this variable would be visible and can be used. For ex: a. Method variables - are visible only inside the method where they are declared and hence their scope is only the method b. Class variables - are visible inside the class and can be used by any method inside the class and hence their scope is the whole class.
For a term with one variable, the degree is the variable's exponent. With more than one variable, the degree is the sum of the exponents of the variables. This means a linear term has degree 1 and a constant has degree 0.
This means that your power is a variable. Just like your regular term can be a variable the power can also be a variable. Ex. 3n 7n 2357n
... is still a term. a term doesn't have to have a variable in it.
It is an algebraic term and it means 3.667 times b which is an unknown variable
Coefficient means the number infront of variable. Its 2
Variable.
Treatment variable is another term for the independent variable.
its the number before the variable. example: 2x itd be 2
Another term is Responding Variable
A term that has no variable part is usually called a constant.
There is no term other than independent variable.
If a term doesn't have a variable , then its probably a constant.