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The theoretical ideas underlying actor-lab are derived from the event-driven, message-passing computer languages that began with the actor based languages devised by Hewit. Practical inspiration was provided by HyperCard and to some extent by Lab View. | |||
The first version was developed in HyperCard (in 1992) but the problems associated with having to input scripts via the HyperCard editor meant that it was only useable with year 7 children. The current graphic interface avoids any problems with syntax errors, and was developed using Macro Media Director. (More details can be found in the User Manual, see the 'downloads' page) | |||