We need to install the decimal_precision module, add a Usage entry for our configuration, and then use it in the model field:
- Ensure that the Decimal Accuracy module is installed; select Apps from the top menu, remove the default filter, search for the Decimal Precision Configuration app, and install it if it's not already installed:
- Activate Developer Mode from the link in the Settings menu (refer to the Activating the Odoo developer tools recipe in Chapter 1, Installing the Odoo Development Environment). This will enable the Settings|Technical menu.
- Access the Decimal Precision configurations. To do this, open the Settings ...