Making the graph axes logarithmic
- Right-click the graph window and click Properties.
- Click the Appearance tab.
- Click the tab for the axis you want to change.
- Check the Logarithmic check box to give that axis a logarithmic scale.
Click Apply to preview or OK when done.
A semi-log graph has one axis set to a logarithmic scale, and a log-log graph has both axes set to logarithmic.