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A constant cannot be changed by the program while it is running. Furthermore, it does not take up any memory on the stack or in the heap, as it is inlined into the compiled code during the compilation process. They are used to represent unchanging data, such as the value of PI, or the date that a particular function was written. A variable is a memory location or register value that may be modified during the execution of the program, and represents data that is unknown until the program runs. Examples might include today's date, the number of times the user has logged in, or the user's preference in colors.
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What is the difference between constants and variables?
A variable is a quantity which changes its value through out the program or its lifetime. But a constant is a quantity which does not change its value through out its life time. There are 5 basic constants.
What is a monomial that is a real number with no variable?
A [real] constant.
What is difference between fixed overhead and variable overhead?
The difference between fixed overhead and variable overhead is that fixed overheads are the ones that do not change regardless and variable overheads are the ones that vary depending on the number of units that it produces. An example of fixed overhead is a managers salary.
Difference between rational numbers and rational expressions?
A Rational number is a fraction of two integers; a rational expression is a fraction that contains at least one variable
What is the coefficient of fraction?
A numerical or constant quantity placed before and multiplying the variable in an algebraic expression
WAP to show the difference between a variable and static variable?
difference between constant and static variables in java
What the difference between a variable and control?
The difference between a controlled variable and a variable is in their state. A controlled variable is something which is rigid and constant while a variable is liable to change and inconsistent.
What is difference between variable and constant?
Whether or not you can change its value.
What is the difference between a variable and a literal in prgramming?
a literal is a constant value, the difference is a variable can change it's value.
Difference between variable and constant in statistics?
When referring to statistics, variable means that numbers change and can go up and down. If something is constant, numbers remain unchanged.
What is the difference between experimental variable and a control variable?
In a controlled experiment, the control variable remains constant while the experimental variable changes with each trial of the experiment.
What is the difference between an experimentation variable and a control variable?
In a controlled experiment, the control variable remains constant while the experimental variable changes with each trial of the experiment.
What is the difference between an experimental variable and a control variable?
In a controlled experiment, the control variable remains constant while the experimental variable changes with each trial of the experiment.
What is the difference between independent variable and a constant variable?
A constant is something that will ALWAYS remain the same in your experiment. For instance, the materials you use and the unit of measurements you use are examples of constants. An independent variable changes with the experiments.
What is difference between parameter and arbitrary constant?
A parameter is a variable which takes different values and, as it does, it affects the values of some other variable or variables.
What is the difference between a coefficient and variable?
A variable is a part of a term which can change. A coefficient is a numerical constant, associated with a variable. For example, in the term 3x^2 , 3 is the coefficient, while x is a variable.
What is the relationship between a variable and a constant?
By definition:a variable varies (changes) in valuea constant is constant (fixed) in value
