- to ascertain by calculation to reckon to count
- make a mathematical calculation or calculation
- to ascertain calculation; to reckon; to count.
1630s, from French computer, from Latin computare "to count, summarize, reckon together," from com- "with" (see com-) + putare "to reckon," initially "to prune" (see pave). Relevant: Computed; processing.
When the length of a meteor's: course is known and the duration of its flight has been correctly estimated it is easy to compute the velocity in miles.