Editing GPSS (section)

==== Queues ====
{| class="wikitable"
!Prefix
!Meaning
|-
|Qj
|The length of a specified queue in the block diagram. This quantity may be modified by the QUEUE and DEPART blocks. Example: Q50 for the contents of queue 50.
|-
|QAj
|Average contents of queue j (truncated).
|-
|QMj
|'''Maximum''' contents of queue j. This quantity is automatically maintained by the program
|-
|QCj
|Number of entries in queue j. Automatically maintained.
|-
|QZj
|Number of entries in queue j. Automatically maintained.
|-
|QTj
|Average time each transaction was on queue j (including zero entries). When referenced the value will  be truncated to an
integer.
|-
|QXj
|Average time each transaction was on queue j (excluding zero entries). Truncated.
|}