This example demonstrates how to order and hide widgets by means of the precedence and display_threshold attributes. Each Parameter object has a precedence attribute that is defined as follows in the ...

Notice the commented out factorial expression in the expression types. Also notice that the definition of a FLOAT token allows for negative values so a negative real expression should take precedence ...

This example illustrates the use of the LAG= option to indicate nonstandard precedence relationships between activities. Consider the widget manufacturing project described in the earlier examples.

This example demonstrates the use of nonstandard precedence relationships and specification of the PRECDATA= option in the PROC GANTT statement. The project and nonstandard precedence relationships ...