You can choose to work in inches or millimeters. For angles you can choose degrees
or radians.
To set the unit of measure:
Choose Edit | Preferences | Metrics.
Make the desired selections.
Check Show units of measurement when showing numbers to
display "mm" or " " " next to each number.
Specify the desired number of digits.
"Quite easy to use. Within only about 10 minutes I had it downloaded, installed, and had designed and priced a brass cog with 32 teeth, 1 inch in diameter and 1/4 inch thick. The quote was immediate."
