企业规划中的设施规划，利用重心法的启发式算法进行迭代，得到单设施多客户点的坐标的C算法-Facility planning in business planning, which employ Gravity heuristic algorithm to obtain a satisfying solution to the single facility problem.

Hospital Management system, The system provides a facility to the patience to find the availability of doctors in different hospitals based on the location