包含各种常见差分格式及其精度分析，可以作为下一步流体计算的基础。(A variety of common difference schemes and their accuracy analysis can be used as the basis for the next step of fluid computation.)

主要用于计算最常见的二维材料石墨烯纳米带的能带结构(It is mainly used to calculate the energy band structure of graphene nanoribbons, the most common two-dimensional material.)