该计算器可以当作普通计算器使用，也可以用来统计学生考试成绩，如平均分、及格率、及格人数、最高分、最低分、以及分数段等-The calculator can be used as an ordinary calculator can also be used to count the students' test scores, such as the average score, pass rate, number of passes, the highest score, the lo