Compute (verb)

1. To calculate or determine by mathematical means.
2. To estimate or determine the value or amount of.

Origin:

From the latin word computare, meaning to calculate.

Examples:

1. They used a computer to compute the figures.
2. We need to compute the cost of the project before we proceed.
3. He computed the distance between the two cities.
4. We will compute the total number of students in the school.
5. I need to compute my taxes before the deadline.