Worth buying. Of course, it is still worth buying. There is a special APP every day, which is divided into three sections: primary school, junior high school and high school. Between each period, each grade can be switched, and each textbook version can also be switched, which is very convenient to use. The main page of daily exercises is divided into Journey to the West, Chinese Language, Extended Courses and Chinese, Mathematics, English and other sections that follow the textbook. Practicing this software every day is really useful and worth buying! Daily practice is a software that provides education and practice in physics, chemistry, mathematics and other subjects for middle school students and primary school students. It is relatively easy to explain knowledge points according to the needs of children of different ages. Compared with other software, the outstanding advantage of daily practice is to talk about very complicated and lengthy knowledge points and break them down into selected short videos of about 3 minutes. The lecturers are all top teachers in China, and all the knowledge difficulties are overcome step by step.