The game was designed to be played on short time intervals as a quick relief.

In the illustration on the right, the time interval is thirty minutes.

Especially during a time interval that I once thought was devoted to running around and making new friends.

If it is not possible to pay for something within the previously expected time interval, that may also change prices.

So it was not necessary for actual contact to be made throughout the red time interval.

First, he set up a time interval within which to work.

On the second night, use the same procedure but start at 10 minutes for the first time interval.

So at each time interval the system is in a particular state.

In Example 12 the temperature change over a time interval was to be worked out.

I can explain the time interval in only one way.