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The DDAS software was designed by me in 1998 using the Microsoft Access engine and a Visual Basic front-end. This was revised and became a relational database in 2003. The software can be used to display existing datasets or to record your own. Field names can be edited and replaced with names in another language and the content of dropdown pick-lists is easily customised. Originally distributed on CD, it is not generally given out any more but despite being dated and cludgy, it can still be used many later operating systems.