computation       
noun [ C or U ] uk/ˌkɒm.pjəˈteɪ.ʃən/ us/ˌkɑːm.pjəˈteɪ.ʃən/
 计算
the act or process of calculating an answer or amount by using a machine
  a scientific software package for numerical computations 用于数值计算的科学软件包 
 The amount due was a simple matter of mathematical computation. 应付金额是一个简单的数学计算问题。 
 See: compute
 - More examples
 - Electronic spreadsheets can be instructed to perform any computation desired.
 - Our smart card can now handle complex mathematical computations.
 - The control of the robot arm requires the computation power of its host PC.