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Function introduction
Implement roll call in various situations such as "by student number", "by row" and "by list".
1. "Roll call by serial number": used when there is a number but no list, such as classroom roll call, venue lottery, queuing interview, etc.
2. "Roll call by row": used for venues without lists and numbers.
3. "Calling by list": Used when there is an Excel list. It can switch between multiple classes, quickly group, randomly call, time, score, etc.





















Useful
Useful
Useful