Eleven papers giving advice on computer applications, based on lectures given at the Institute of Archaeology in Oxford. Contents: Introduction (S Ross), approaches and applications, past and present (J Moffett), systems engineering (S Ross), introduction to statistics (G Lock), analysing information for database design(L Burnard), database fundamentals (D Smith), advancing graphic systems (P Reilly), Heslerton Parish post-excavation project (D Powlesland), post-excavation interpretation (J Richards), post-excavation and publication in London (T Williams), use and abuse (J Henderson). Previously announced, now available.