He tried to work out his position.

When I'd worked out our position and sent a lookout to the masthead, he came across to me.

The midshipmen were supposed to take noon observations to work out the vessel's position, which they were to write on a piece of paper.

We went into the chartroom and he worked out our position which he then transferred to the chart.

He thought it so strange that he worked out its position and course; which he noted in his logbook.

After some time, he handed his sextant to the master and sat down to work out our position.

To work out its best position, there are two things to consider.

He says that Russell did not work out his position in detail and had ceased to hold the position at all.

Using the information it would be possible to work out your position on Earth to within 500 metres.

It was simple work then for the computer to work out the ship's position in the ocean accurate within a few meters.