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Articles related to variables

Variables - Ruby - About.com
What are Variables and how to use Variables in Ruby.
http://ruby.about.com/od/beginningruby/a/variable.htm
Everything You Need to Know About Variables - Ruby - About.com
Variables are named references to objects in memory. Their several variants ( local, instance, class, constant, etc) each have their own subtleties.
http://ruby.about.com/od/variables/a/Everything-You-Need-To-Know-About-Variables.htm
Instance Variables in Ruby - About.com
Instance variables are some of the most common and important variables types in Ruby. They begin with the at sign (@) and allow objects to track their internal ...
http://ruby.about.com/od/variables/a/Instance-Variables.htm
What Is a Variable in Science? (And Types of Variables) - Chemistry
Variables are an important part of science projects and experiments. Here is an explanation of what a variable is and a description of the different types of ...
http://chemistry.about.com/od/sciencefairprojects/a/What-Is-A-Variable-In-Science.htm
What Is a Variable? - Psychology - About.com
Answer: A variable is something that can be changed, such as a characteristic or value. Variables are generally used in psychology experiments to determine if ...
http://psychology.about.com/od/researchmethods/f/variable.htm
What Is the Difference Between Independent and Dependent ...
The difference between independent and dependent variables in a scientific experiment is which variable is being measured. Here's an explanation of how to  ...
http://chemistry.about.com/od/chemistryterminology/a/What-Is-The-Difference-Between-Independent-And-Dependent-Variables.htm
DRY MIX Experimental Variables Acronym - Chemistry - About.com
Learn how to use the acronym DRY MIX to remember what the independent and dependent variables are and where to put them on a graph of experimental ...
http://chemistry.about.com/od/scientificmethod/fl/DRY-MIX-Experimental-Variables-Acronym.htm
Dependent Variable - Definition of Scientific Terms - Chemistry
A dependent variable is the variable being tested in a scientific experiment.
http://chemistry.about.com/od/chemistryterminology/a/What-Is-A-Dependent-Variable.htm
What Is the Independent Variable? (Definition & Examples)
The independent variable is the characteristic of a psychology experiment that is manipulated or changed. For example, in an experiment looking at the effects of ...
http://psychology.about.com/od/iindex/g/independent-variable.htm
Variable - Definition for the Term in Java - About.com
A variable is a container that holds values that are used in a Java program. Every variable must be declared to use a data type. For example, a variable could be ...
http://java.about.com/od/v/g/variable.htm
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