About Logarithmic Value Axes

For certain types of data, a logarithmic value axis is the best choice to display the data. You may specify the log base.

To make a value axis logarithmic:

1. Select the value axis.
2. Choose Format Axis from the context menu and click the Scale tab.
3. Check the Logarithmic box and enter a log base in the Log Base text box.
4. Click OK or Apply.