This is a basic demo about how to use and compile multiple packages into the same knowledge base. The basic scenario is described [here|Doc Package#Using multiple Packages for the same knowledge base or ontology]. The common package {{lifeExpectancy}} and more specifics for this demo are described [here|Multi-Package Demo]. !Defining the package As before, we add this page to the package {{japan}} %%Package japan !Adding knowledge First we define the current life expectancy in japan. %%Constant "Life expectancy in Japan" = 87 % Lets calculate our remaining life expectancy based on our age. %%Variable "Years to life according to life expectancy" = "Life expectancy in Japan" - Age % !Compiling and testing the resulting knowledge base Here defining a knowledge base using/compiling our two packages: %%KnowledgeBase Life expectancy calculator (Japan) @uses: lifeExpectancy @uses: japan % !Quick Interview %%QuickInterview %