60 displays the information for all the activities of the graph in a listing box 61 each line 610 is dedicated to only a single activity and furnishes the following in this order the number of the activity the maximum number of tokens that have accumulated in the queue for that activity during the simulation and the moment calculated in units of time since the start when this maximum accumulation occurs hence for the starting activity a the maximum number of tokens was 10 and the moment was the second unit of time the listing box 61 includes a vertical elevator 611 enabling the display of other activities the archive window also includes a 34 restart 34 command button 62 and a 34 no 34 command button 63 which in the case where the 34 no 34 button is clicked enabled a return to the menu in order to work on the graph again in order to improve it or modify it before starting a new simulation if the best possible use of all the information furnished during the simulation has not been made then it is possible to restart it in the identical fashion with the same parameters by clicking on the 34 restart 34 box 62 when greater precision is desired in a simulation relating to a given activity it is possible to select this activity by clicking on the corresponding line in the archive window such as.