the procedure of calculating; determining something by mathematical or logical methods | the act of giving a false appearance |
the branch of engineering science that studies (with the aid of computers) computable processes and structures | the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training) |
| representation of something (sometimes on a smaller scale) |
| (computer science) the technique of representing the real world by a computer program |