# What Are Bar Graphs Used for?

Bar graphs are used to compare the relationship between two variables, usually independent and dependent, over a period of time. They are especially good for showing large changes over time of the ...
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http://www.ehow.com/info_8178225_bar-graphs-used.html

## How to Linearize Graphs?

Depending on how the points lie on a scatter plot, the graph that joins them may take several forms. For example, the points may form a curve, suggesting a logarithmic or exponential function. Desp...
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http://www.ehow.com/how_8517115_linearize-graphs.html

## How to Calculate Graphs?

Learning how to calculate graphs correctly can help you interpret data in a variety of ways. Graphs can show relationship between different variables and how they change over time. They can show yo...
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http://www.ehow.com/how_8064878_calculate-graphs.html

## How to Read Pie Graphs?

Pie charts are the simplest graph for comparing parts of a whole. They are used to show anything that can be broken down into percentages, such as financial data like expenses or the percentage of ...
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http://www.ehow.com/how_8373448_read-pie-graphs.html

## How to Log Graphs on a Calculator?

In math class, you will frequently have to create graphs, including those of logarithmic equations. Fortunately, your graphing calculator can save you a great deal of time with creating graphs, if ...
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http://www.ehow.com/how_8481815_log-graphs-calculator.html