In Grapher 14 and newer, it's possible to adjust the significant digits of the fit curve statistics that are displayed in Grapher:
- In the Object Manager, select the fit curve object
- In the Property Manager, select the Plot tab
- Expand the Statistics section
- Set the Number format field to Compact or Fixed
- Set the Significant digits/Decimal places field to suit your needs.
Updated March 13, 2019