[Introduction of main functions] 1. Through linking with beacons, you can enter the classroom and automatically attend when class time comes. (Bluetooth must be turned on.) 2. You can request to correct incorrect attendance information through the appeal function. 3. Provides a function to receive lecture information and announcements by displaying their own lecture timetable.Through the Pohang University of Science and Technology (POSTECH) electronic attendance service, attendance can be conducted on mobile in the classroom.COPYRIGHT 2017 Pohang University of Science and Technology. ALL RIGHTS RESERVED.