What is "precalculated"

Usage examples of "precalculated".

A crew is necessary can't let a ship go running around by itself-except automatic freighters on precalculated runs-but Dora does the hard work, and Laz and Lor-Lapis Lazuli Long and Lorelei Lee Long-tell Dora what to do and let her do it.

A crew is necessary— can’t let a ship go running around by itself—except automatic freighters on precalculated runs—but Dora does the hard work, and Laz and Lor—Lapis Lazuli Long and Lorelei Lee Long—tell Dora what to do and let her do it.

Cargraves carefully leveled the ship at the exact altitude and speed Joe would need for the approach and flipped over to automatic when Morrie signaled that they were at the exact, precalculated distance necessary for the landing.

By spherical trigonometry the solutions of celestial triangles on which all navigation was based could be converted to the special conditions of Luna, but it would require tedious calculation, not at all like the precalculated short cuts used by all pilots in the age of aircraft and rocket.

The mind-unit's lights glowed while it verified their position and adjusted the figures for the precalculated next jump.

They were deep in Laagi territory, and the alien alert posts would have already picked up the burst of energy not only from their initial transmit from Picket Nine, which had been precalculated by the com-ship there over the hours since La Chasse Gallerie had been discovered-and which consequently had been able to send them with some accuracy half the distance to her-but from the succeeding jumps that had brought them light-years deep into Laagi territory.