Ching-Tao Chang

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Visualcode is a visual notation that uses coloured expressions and graphical environments to describe the execution of Scheme programs. RainbowScheme is a program visualization system which is designed to produce visualcode representations of step-by-step execution of Scheme programs. This article presents a new approach of teaching recursion using(More)
Distance education, e-learning, and virtual university are similar terms for a trend of modern education. It is an integration of information technologies, computer hardware systems, and communication tools to support educational professionals in remote teaching. This chapter presents an overview of distance education from the perspective of policy, people,(More)
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