To Modify the Number of Decimal Places in a Dimension
If the application in which you are working requires that you use the Menu Manager, follow the procedure below, otherwise follow the procedure To Edit Dimension Values, Properties, or Text.
The default number of decimal places for dimensions is two. To increase the precision of a particular dimension, enter a new value with the desired precision. To decrease the precision of a particular dimension follow the procedure below.
1. To show dimension tolerance:
a. Click > 
Options. A dialog box opens.
Options. A dialog box opens.b. Click Entity Display.
c. Under Dimensions, annotations, notes and reference designators display settings, select the Show dimension tolerances check box.
2. Click > > . The DIM COSMETIC menu appears.
3. Click >
4. Select a dimension. Its tolerance display changes to nominal.
5. To modify the number of decimal places to display for one or more dimensions (including reference dimensions), click Num Digits from the DIM COSMETIC menu.
6. Enter the number of significant digits (the default value is 2 for non-angular dimensions, and 1 for angular dimensions).
7. Select the dimensions whose display is to be changed.
You can also set the default number of digits using the configuration file option default_dec_places, with a value in the range 0 to 14.
 | Modifying the number of decimal places for a dimension rounds the value of the dimension. |