Check
It checks if there are some errors in the model.
Back
It goes to the previous solution's step. The actual time's step is visualised in the centre of the toolbar.
Stop
It stops the solution's play when the Fast Play command is active.
Play
It goes to the next solution's step.
Fast Play
It solves the system without stopping at every step.
Info
Using this command it is possible to obtain information about the elements. Once the command has been chosen, a pointer with a question mark appears. The result of the selection is the following window, concerning the selected element.
