Add a Logarithmic Axis to Your Graph in Grapher

A logarithmic axis makes it easy to compare a wide range of numerical data on a manageable scale. The default axis in Grapher is a linear axis, but you can create an axis for your graph that uses a logarithmic scale. Follow the steps below to change the axis scale to logarithmic, natural log, or probability.

 

Creating a Graph with a Log Axis

To create a graph with a logarithmic axis, first create the graph using the appropriate command in the Home | New Graph tab. For example, click the Home | New Graph | Basic | Function Plot (Grapher 12 Function Plot) command to create a function plot graph.

By default, all graphs are created with linear axes. Follow these steps to change the axis scale to logarithmic, natural log, or probability.

 

  1. Click on the Axis object in the Object Manager. For example, to make the vertical axis logarithmic, click on the Y Axis 1 to select the vertical axis.
  2. In the Property Manager, click on the Axis tab.
  3. Click the current value in the Scale field and select the desired new scale type from the list. The list options are Linear, Log (base 10), Probability, Probability (% labels), and Ln (natural Log).

    In this example, click on Linear and select Log (base 10) from the list. Your axis will automatically update to display the new axis scale.

 

Updated May 2023

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