1) We need to calculate how much paint to purchase based on the square footage of the walls.

2) The software can calculate on-the-fly adjustments to optimize performance.

3) The engineer will need to calculate on various factors when designing the new bridge.

4) It is important to calculate on potential risks before making any financial investments.

5) The team must calculate on the impact of the new policy on employee morale.

6) The scientist will calculate on the data collected from the experiments to draw conclusions.

7) Students are required to calculate on the effects of climate change in their research projects.

8) The chef will calculate on the number of guests to determine the amount of ingredients needed for the dinner party.

9) The accountant needs to calculate on the tax implications of the new regulations.

10) In order to stay on schedule, we must calculate on possible delays in the construction project.