Logarithmic Price Scale vs. Linear Price Scale: An Overview The interpretation of a stock chart can vary among different traders depending on the type of price scale used when viewing the data.

This post offers reasons for using logarithmic scales, also called log scales, on charts and graphs. It explains when logarithmic graphs with base 2 are preferred to logarithmic graphs with base 10.

The Chart Wizard produces graphs with linear scales. If you want a log scale, you can change it after creating it. Click on the graph axis you want to change to a logarithmic scale.

The second finding, however, is the key weakness of a log chart: people have a hard time interpreting the scale. In the log chart, the final dot looks like it’s at around 60-70,000 deaths or so.

The top chart is a linear scale, the bottom chart a logarithmic one. The chart clearly shows that AAPL was a superb investment over this period.

Purdue withdrew the chart from the promotional materials, but the log scale chart remains in OxyContin's official labeling -- you can see it on page 6 of this document. Purdue opposes the case.

There is disagreement on the proper way to label logarithmic scales in charts and graphs, especially when the base is not 10. This post shows several alternative ways of labeling log scales ...

The data look very different when plotted on what is called a logarithmic scale. In a typical graph, values on the (vertical) y-axis are plotted linearly: 1, 2, 3, and so on, or 10, 20, 30, or the ...

Logarithmic price scales are a type of scale used on a chart, plotted such that two equivalent price changes are represented by the same vertical changes on the scale.