In this study, we develop an interactive AR Learning System based on Augmented Reality and interactive touch-screen. The learning content knowledge is about conservation of fish in Taiwan. The system combines the game by the concept of AR book which allows children to learn about the importance of conservation of fish. A mechanism is designed to…

This article re-examines the much maligned piechart and provides justification for its use. It identifies common pitfalls when drawing piecharts in Microsoft Excel and offers advice on how to avoid them. (Contains 6 figures and 5 tables.)