On the Configuration tab, in the Add A New Field section, click Compute.
Specify this information:
Business Class
Select a business class.
Name
Specify a name for the field. Use a unique name that is compliant with your standard naming conventions. You can add a prefix to the name such as ZZZ, Usr, or characters that represent your company name.
Explicit Label
Select this check box for the label to default to the field name.
Extended Type
Select an extended field type. For example, numeric, decimal, or text.
Calculation
Using the LPL editor interface, specify the calculation.