This highly practical book throws new light on an essential subject for BBC Micro users. It shows you how to develop your own sophisticated filing systems and databases since ready-made software packages, however good, cannot satisfy all individual requirements.

It has been written to suit both cassette and disk systems, and explains fast and efficient techniques which the authors have used and tested in their own business. Many useful general-purpose procedures are set out for you to use in your own programs and you are shown how to get the most from your equipment. You are also shown how to incorporate machine code routines where appropriate, to get more speed and more economic use of available memory.