Editorial Board  Chief Editor Wu, Chao-Jung Department of Educational Psychology and Counseling, National Taiwan Normal University Vice Chief Editor Yang, Kai-Lin Department of Mathematics, National Taiwan Normal University Editorial Panel Hsieh, Feng-Jui Department of Mathematics, National Taiwan Normal University Huang, Hsin-Mei Department of Learning and Materials Design, University of Taipei Hung, Li-Yu Department of Special Education, National Taiwan Normal University Lee, Yuan-Shun Department of Mathematics, University of Taipei Liu, Man-Li Department of Science Communication, National Pingtung University Liu, Po-Hung Fundamental Education Center, National Chin-Yi University of Technology Liu, Yuan-Chen Department of Computer Science, National Taipei University of Education Tam, Hak-Ping Graduate Institute of Science Education, National Taiwan Normal University Yang, Chih-Chien Graduate Institute of Educational Information and Measurement, National Taichung University of Education Yang, Der-Ching Graduate Institute of Mathematics and Science Education, National Chiayi University Yuan, Yuan Department of Mathematics Education, National Taichung University of Education International Editorial Panel  Lo, Jane-Jane Department of Mathematics, Western Michigan University Seah, Wee-Tiong Mathematics Education, Melbourne Graduate School of Education, University of Melbourne, Australia Toh, Tin-Lam Mathematics & Mathematics Education Academic Group, National Institute of Education, Singapore