Applicable. According to the query of Euler APP, Euler junior high school mathematics software is a software that specializes in tutoring junior high school students' mathematics. Understanding mathematics is far away, and it is a concept to let children get rid of the boring mathematics learning. Al technology is used to configure personalized exercises for each student, which makes academic grading very simple and makes children fall in love with math learning. The content is very detailed, covering all the knowledge points of senior one, senior two and senior three, and you can skip learning. Features of Euler's junior high school mathematics software: First-line teachers in northern Qing Dynasty set up a "two-dimensional" animation tutorial class, each class lasts for 6 minutes, which lays a solid foundation for junior high school mathematics, and the key and difficult questions must be tested. The course is synchronized with junior high school mathematics textbooks, and graded according to three major difficulties: foundation consolidation, key and difficult breakthrough, and comprehensive improvement. Junior high school students of different levels can learn to improve.