LINGO defaults to displaying seven significant digits for values in standard solution reports.  In some cases, you may desire more or less than seven digits of precision, in which case, you will need to adjust the PRECIS parameter.

For example, suppose we have a very simple model consisting of the single expression:

X = 1/3;

The default solution report for this model using seven digits of precision would contain:

Variable           Value

      X       0.3333333

 

    Row    Slack or Surplus

      1        0.000000

Increasing the Precision parameter to 16 and resolving yields the following solution report with 16 significant digits:

Variable                    Value

      X       0.3333333333333333

 

    Row             Slack or Surplus

      1        0.000000000000000

The default value for the PRECIS parameter is seven significant digits.