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## Pengembangan Buku Ajar Elektronik Interaktif (BAEI) Berbantuan Google Slide dan Quizizz dalam Meningkatkan Kemampuan Pemecahan Masalah pada Materi Relasi dan Fungsi di Kelas VIII SMP Negeri 1 Kubu

This study aims to develop an interactive electronic textbook (BAEI) assisted by Google Slides and Quizizz in improving problem solving skills in relational and functional material in class VIII SMP Negeri 1 Kubu which is valid, practical, and effective. The research method used is Research and Development (R&amp;D), namely development research that refers to a modified 4-D development model. The instruments used in this study were questionnaires and test questions. Questionnaires were used to validate material and media experts, as well as teacher and student responses. The test questions are used for testing the assessment of students' problem solving abilities. The results showed that: (1) the quality of interactive electronic textbooks (BAEI) assisted by google slides and quizizz viewed from the aspect of validity was included in the very valid category with an average of 89.06%, (2) the results of the questionnaire responses of teachers and students with an average an average of 88.83% with very practical criteria and (3) interactive electronic textbooks (BAEI) assisted by google slides and quizizz are categorized as effective as indicated by the significant difference in the value of students' solving abilities between before and after being given learning with interactive electronic textbooks (BAEI) google slides and quizizz.
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## Analisis Kemampuan Pemecahan Masalah Materi Relasi dan Fungsi Siswa Kelas VIII SMP

This research is a quantitative descriptive study that aims to see students' mathematical problem solving abilities through analysis of the questions and problems given. The sample in this study was class VIII SMP Negeri 16 Pontianak selected by the teacher. The technique used is to give relation and function test questions to students and from students' answers will be analyzed based on indicators of mathematical problem solving ability. Indicators are taken based on indicators according to polya. The results obtained in this study are the low problem-solving ability seen from the answers given by students where of the four indicators only the first indicator gives a perfect score, while the second, third, and fourth indicators are still wrong.
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## Analisis Kemampuan Berpikir Kritis Siswa SMA pada Materi Trigonometri

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## Rancang Bangun Sistem Informasi Absensi dan Penghitungan Lembur Karyawan

CIF) is an internet service provider and software house company in the city of Bandung. Managing absenteeism and employee overtime calculations at PT. CIFO has not been organized optimally, there are often a number of obstacles including absentee input errors, errors in calculating overtime pay and absent report management. Therefore this study aims to design and build a time attendance information system and the calculation of computerized employee overtime to help the above problems. The resulting system has features that support such as time attendance, permit and leave applications as well as overtime management of employees. To support the validity and compliance with the needs of the user of this system was tested with Blackbox testing techniques with 100% success, and Unit Acceptance Testing (UAT) testing techniques with results for all three aspects namely, Aspect of Ease, Achievement of Goals and Appreciation with an average percentage of 75 % which means Good.
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