教育行业的计算机化近些年一直是人们关注的焦点,目前整个行业向无纸化迈进,既可以提高工作效率,也可以大大节约资源。但是符号与公式录入困难,一直是困扰广大教师的问题。特别是对于那些具有丰富教学经验的老教师,使用烦琐的公式录入工具非常影响效率。 The computerization of the education sector has been the focus of attention in recent years. At present, the entire industry is moving toward paperlessness, which can not only improve work efficiency but also save resources. However, the difficulty of entering symbols and formulas has always been a problem plaguing teachers. Especially for those old teachers with rich teaching experience, using the cumbersome formula entry tool can affect the efficiency very much.