Prograph <language> A visual {dataflow} programming language and environment from the {Technical University of Halifax}. Prograph is an entirely graphical {visual programming} language, other than for the text of {method} names, and supports the program development process in a highly-interactive fashion. Operation icons are connected by data links through which information flows. It supports {object orientation} via {class}-based {data abstraction} with {single inheritance}. Prograph is available for the {Macintosh}, and soon for Windows and Unix, from {TGS Systems}. (1995-03-31)