B2 [ C or U ] the process of using information you already have and adding, taking away, multiplying, or dividing numbers to judge the number or amount of something算，计算
I spent hours doing that calculation and I still got the answer wrong.
She made a rough calculation of the likely cost.
We used different methods of calculation, but we both got the same result.
a numerical calculation
According to my calculations, we're still two thousand pounds short.
[ U ] careful planning to control a situation for your own advantage in a way that is slightly unpleasant and causes people not to trust you算计