The information below describes where to find information on how your software works.
The theory of the how the software works is located in the help documentation that comes with the software. In order to access this information you'll need to go to Help > <SoftwareName> Help and locate the Theory section on the contents tab. For example, if you were looking for how WaterCAD functioned you would go to Help > WaterCAD help then find the theory section. The information there should provide you with a solid background on the functionality of the software.