The use of rulers by students plays an important role in their learning process. By understanding different types and functions of rulers, as well as correct usage methods and selection skills, students can better use rulers to complete various learning tasks, improve learning efficiency and quality. Therefore, it is recommended that students choose a suitable student ruler according to their own needs, making it a good partner in their learning and life.

The functions of student rulers are diverse and diverse. In addition to basic measurement functions, some high-end student rulers are also equipped with special functions such as scale amplification and fluorescent display. The scale amplification function enables students to see the scale more clearly during measurement, improving the accuracy of the measurement. The fluorescent display function facilitates students to use the ruler in dimly lit environments, improving the convenience of use.