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Articles related to variables

Variables - Ruby - About.com
What are Variables and how to use Variables in Ruby.
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.
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 ...
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 ...
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 ...
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  ...
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 ...
Dependent Variable - Definition of Scientific Terms - Chemistry
A dependent variable is the variable being tested in a scientific experiment.
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 ...
What Is an Independent Variable? - Chemistry - About.com
An independent variable in a scientific experiment is the variable that is changed to test the effect on a dependent variable.
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