摘要:Tablets and smart devices became a big surprise in education field over past years. Schools that brought tablets into the classroom showed that the tablets can be a great learning device. Tablet and mobile devices have strong power to change education paradigm. Specifically, many people believe that electronic textbooks will take the place of the next paradigm shift in education. However, just providing students with smart devices and electronic textbooks is not sufficient. Students are supposed to write and communicate with each other in mobile education, not just to read textbooks. Moreover, students want to pile their own knowledge as their private assets. In this paper, we propose a user interface that helps users to create a note in electronic textbooks along with user's touch gestures and to organize their own personal notebook. We focus on solving inaccuracy of touch gesture to create a note on a target object on touch screen device. We present then the evaluation and it indicates that our proposing interface is more accurate with small time cost.