List VOL.8 (7) NO.1 (4) NO.2 (3) 【Research Article】  Constructing a Structure of Observed Teaching Outcomes Taxonomy to Evaluate the Teaching Knowledge Quality of High School Mathematics Teachers      Author:Cheng-Hua Tsai, Erh-Tsung Chin Research Article 【中文】  Math Students’Misunderstandings and Obstacles in Learning Limits of Functions      Author:Tzu-Kuei Chang Research Article 【中文】  Learning Interests and Confidence on Mathematics Achievement Growth in Intermediate Grades      Author:Ling-Chia Chang Research Article 【中文】