Author(s)

Chikara MIYA JI and Hiroshi KIMURA

Abstract

Interactive graphics are a weak part of Mathematica. In this article, a MathLink program which provides interactive graphics in realtime will be introduced. The program can be used to detect a user interface event, and send it to the Mathematica Kernel as an Event Expression. This mecha- nism enables one to write Graphical User Inter face (GUI) in Mathematica. To define a GUI object in Mathematica, an Object Oriented Programming Style (OOPS) is introduced. The combination of realtime interaction and kernel evaluation provides a dynamical interface building, execution, and debugging environment. In this article, theoverall design of the program will be discussed. 1 Introduc

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