that would be two concurrent/simultaneous users.

No, that would be "two concurrent/simultaneous users between 9:40 and 9:45". Saying "x concurrent users" without specifying when makes no sense.

Two is also the "maximum number of concurrent users between 9:30 and 10:00", and the figure I presume you want.

In reply to Re^5: How to Iterate to Identify Concurrent Users by ikegami
in thread How to Iterate to Identify Concurrent Users by Anonymous Monk

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