Buku Prestasi Santri berbasis Digital menggunakan Prinsip Postel

Recording students' learning activities at Quran Education Institute is still done manually, but reporting to the government (Kemenag) has gone through an online system. Teachers sometimes have input data from printed version into digital system, increasing their burden. This research aims create a Graphical User Interface (GUI) achievement book that will make it simpler for teachers track development and of learning. In this study, User-Centered Design (UCD) process was used, which included understand context use, specify user requirements, produce design solutions, evaluate against requirements. Data gathered by questionnaires interviews then analyzed using descriptive techniques. Postel principles apply in simplify variations interface elements. The study produces GUI books (SimpelQu) easier information on Iqra (volumes, pages, reading descriptions status). System Usability Scale (SUS) technique used five assess usability. SUS test yielded average final score 75, indicating its acceptable usability appropriate assisting teachers.