This tutorial uses the concepts which are discussed below. These are saved immediately. The source's dimensions are not saved until the system is saved. Save As Allows the user to save the current system to a new a project. The entire project is copied to the new project folder.
Preferences Allows the user to set global sampling parameters and other values.
Close Closes the current system. The user is asked if the current system should be saved before the Project Window is closed. A chain specifies the order in which the links are evalulated. Calc Button - initiates a simulation by displaying the System Preferences Dialog .