内部包含百分制分数到分数、旅店管理系统、一个小时倒计时程序、三个数的最大数程序、华氏和摄氏度转换、成法口诀阵形-Internal includes percentile scores to scores, hotel management system, one hour countdown program, the maximum number of three numbers program, Fahrenheit and Celsius conversion formulas into l