60's	Punched card based accounting systems
70's	Corporate mainframes, terminal input, tape drives and 8Mb disk drives the size of washing machines
80's	Specialised in the newly arrived PCs and, a little later, the sexier GUI interface of of the Macintosh. dBase and Foxpro databases
90's	Windows and Macintosh GUI applications using Interbase, Access and MSSQL databases
2000+	Designing and building company intranet and internet applications and server-side scripts for web sites (PHP and MSSQL/MySQL databases ).

Over 45 years experience
designing and developing
business systems and applications