Reserve a computer - another tip

Normally I recommend changing the No to Yes on the RAC question about using a computer right away.

However, I found a time when this is not the best strategy.

It was 10:35. All the computers were booked for a class at 11 a.m. (actually why the computers were booked isn't really important - the main thing is that all the computers were booked!)

The RAC message was that there were no computers available.

That actually means that there are no computers available for a 30 minute time span, starting at 10:35 or so, since it would run until after 11 am.

When I changed the search option to No, I don't want a computer right now, I was given the calendar / timeslots option. This showed that one computer was available. I clicked. The patron was assigned the computer for 25 minutes until 11 am.