A Dynamic Keyboard with Hierarchical Mathematical Symbols for Multi-Subject e-Learning Systems

Nowadays, e-Learning systems especially in science and technology subjects, are faced with a large number of symbol input tasks. And the traditional methods have the problem of low efficiency and difficulties in inputting unfamiliar symbols. To improve the efficiency of symbol input, this paper proposes a framework of the dynamic keyboard module with hierarchical mathematical symbol recommendation, which is based on the exercise-symbol patterns. Then a dynamic keyboard is designed to generate hierarchical mathematical symbols for multi-subject e-Learning systems, and the dynamic keyboard can improve the efficiency of symbol input. Finally, the proposed framework was evaluated on the learning system for Discrete mathematics and Statistics students. The experiment results demonstrate the effectiveness of our approach for symbol input.