Abstract
High‐speed computers have prompted rapid development of courses on the numerical solution of partial differential equations. Solutions of problems on such courses have generally been obtained in the form of lists of numbers from the lineprinter. Such a presentation needs careful study in order to determine the behaviour of the solution and a visual representation of the solution is usually more immediately meaningful to the student. A graphics terminal linked to a computer is particularly well‐suited for providing such output. The type of terminal that appears to be most suitable is a graphical display system capable of operating interactively with the computer. With such a system, a student can view his graphs singly, collectively or superimposed on one another. He also has considerable choice of scale to which he wishes the graph to be displayed. Hard copies of the display can be obtained within about half a minute. Such graphical systems are invaluable in stimulating and maintaining the student's inter...
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