List VOL.3 (6) NO.1 (3) NO.2 (3) 【Research Article】  The Effects of Using Stepwise Attention-Guiding Multimedia Instruction to Learn Properties of Tangents to Circles      Author:Ming-Jang Chen, Chun-Yi Lee, Kin Hang Lei, Chen-Yi Yang Research Article 【中文】  Developing Eleventh Graders’ Conjecturing and Justifying Power on Generalization of Binary Number Patterns      Author:Chih-Yen Liu, Erh-Tsung Chin Research Article 【英文】  Flipping the Classroom in a Calculus Course      Author:Chi-Tung Chang, Jinn-Min Yang Research Article 【中文】