To label specific points on a plot in Grapher, the labels will be added to the worksheet in a new column.  The new column will then be defined as the label column for the plot.

1. Select your plot in the Object Manager.
2. Click Graph Tools | Worksheet | Display.
3. For each point that you would like labeled, enter the desired label in an empty column.

4. If desired, enter a title for the label column in the header row.
5. Click back to the plot document.
6. With the plot still selected, click the Labels tab in the Property Manager.
7. Set the Label column to the new column created above.
8. Adjust the Label Position properties as desired.

Updated March 10, 2020