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Visually impaired persons lack visual senses and other senses become important sensing media wherein the tactile sense is an important one. Mathematics can be learned through the tactile sense. However, there are currently mathematical puzzle products on markets. With too many and complex kinds of toys accessible, they show less learning effect for visually impaired persons. This design is a mathematical teaching aid dedicated to visually impaired children for fast learning. The design is featured with a series of calculations saving pens and the time for paper writing. It allows visually impaired children to learn more efficiently.
National Yunlin University of Science and Technology