Takayuki Watabe, Yoshinori Miyazaki, Yoshiki Hayashi. Application to Help Learn the Process of Transforming Mathematical Expressions with a Focus on Study Logs. In Sakae Yamamoto, editor, Human Interface and the Management of Information. Information and Interaction for Learning, Culture, Collaboration and Business, - 15th International Conference, HCI International 2013, Las Vegas, NV, USA, July 21-26, 2013, Proceedings, Part III. Volume 8018 of Lecture Notes in Computer Science, pages 157-164, Springer, 2013. [doi]