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All Journal Syntax Jurnal Informatika Jurnal Infinity Explore: Jurnal Sistem Informasi dan Telematika (Telekomunikasi, Multimedia dan Informatika) Bianglala Informatika : Jurnal Komputer dan Informatika Akademi Bina Sarana Informatika Yogyakarta Jurnal Sisfokom (Sistem Informasi dan Komputer) Jurnal Teknik Informatika UNIKA Santo Thomas JurTI (JURNAL TEKNOLOGI INFORMASI) MATRIK : Jurnal Manajemen, Teknik Informatika, dan Rekayasa Komputer Jurnal Nasional Komputasi dan Teknologi Informasi Pelita : Jurnal Penelitian dan Karya Ilmiah JUTIS : Jurnal Teknik Informatika Geodika: Jurnal Kajian Ilmu dan Pendidikan Geografi Teknosains : Jurnal Sains,Teknologi dan Informatika Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) International Journal Mathla'ul Anwar of Halal Issues Jurnal Pengabdian Pada Masyarakat Jurnal Dharmabakti Nagri Jurnal Infinity
Zaenal Hakim
Universitas Mathla'ul Anwar
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E-didactics design of differential calculus based on TPACK to overcome learning obstacles for mathematics pre-service teachers Meika, Ika; Sartika, Nenden Suciyati; Sujana, Asep; Jarinah, Jarinah; Hakim, Zaenal; Windiarti, Ika Safitri; Hendra, Hendra
Jurnal Infinity Vol 14 No 3 (2025): VOLUME 14, NUMBER 3, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i3.p733-752

Abstract

Many mathematics pre-service teachers face obstacles in understanding basic differential calculus concepts, which could affect their teaching abilities. A deep understanding of learning obstacles and developing relevant learning strategies is necessary to address this issue. This research aims to identify learning obstacles experienced by mathematics pre-service teachers in differential calculus and evaluate the effectiveness of an e-didactics design based on TPACK in overcoming those obstacles. The research method is Design-Based Research (DBR) with the Plomp development model, which includes the stages of analysis, design, evaluation, and revision. The subjects involve 39 mathematics pre-service teachers from Mathla’ul Anwar University and La Tanza Mashiro University, Banten, Indonesia. Research instruments include pretest, post-test, validation, and effectiveness questionnaires with data analysis covering walkthrough, documents, triangulation, instruments, and qualitative analysis. The finding identifies three types of learning obstacles: ontogenic, epistemological, and didactical. The improvement in learning outcomes demonstrates the effectiveness of the e-didactics design: 52% in real number systems and functions, 74% in limits, 88% in derivatives, and 65% in the application of derivatives. The effectiveness survey recorded a score of 83%, indicating that the e-didactics design of differential calculus based on TPACK effectively addresses learning obstacles.
E-didactics design of differential calculus based on TPACK to overcome learning obstacles for mathematics pre-service teachers Meika, Ika; Sartika, Nenden Suciyati; Sujana, Asep; Jarinah, Jarinah; Hakim, Zaenal; Windiarti, Ika Safitri; Hendra, Hendra
Jurnal Infinity Vol 14 No 3 (2025): VOLUME 14, NUMBER 3, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i3.p733-752

Abstract

Many mathematics pre-service teachers face obstacles in understanding basic differential calculus concepts, which could affect their teaching abilities. A deep understanding of learning obstacles and developing relevant learning strategies is necessary to address this issue. This research aims to identify learning obstacles experienced by mathematics pre-service teachers in differential calculus and evaluate the effectiveness of an e-didactics design based on TPACK in overcoming those obstacles. The research method is Design-Based Research (DBR) with the Plomp development model, which includes the stages of analysis, design, evaluation, and revision. The subjects involve 39 mathematics pre-service teachers from Mathla’ul Anwar University and La Tanza Mashiro University, Banten, Indonesia. Research instruments include pretest, post-test, validation, and effectiveness questionnaires with data analysis covering walkthrough, documents, triangulation, instruments, and qualitative analysis. The finding identifies three types of learning obstacles: ontogenic, epistemological, and didactical. The improvement in learning outcomes demonstrates the effectiveness of the e-didactics design: 52% in real number systems and functions, 74% in limits, 88% in derivatives, and 65% in the application of derivatives. The effectiveness survey recorded a score of 83%, indicating that the e-didactics design of differential calculus based on TPACK effectively addresses learning obstacles.
Implementasi Sistem Deteksi Logam dalam Bahan Makanan sebagai Upaya Pencegahan Kontaminasi di Industri Rumahan UMKM Bumi Pangan Lokal Hakim, Zaenal; Hakim, Moh. Azizi; Hudaya, Dadan Ahmad; Suhendi, Dadi; Hidayat, Taufik
Jurnal Pengabdian Pada Masyarakat Vol 10 No 3 (2025): Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/jppm.v10i3.1481

Abstract

Kontaminasi logam dalam makanan sangat beresiko bagi kesehatan, terutama jika terjadi dalam jangka panjang. Masalah utama dalam Pengabdian Kepada Masyarakat ini adalah adanya logam yang tercampur dalam tepung yang dijadikan bahan utama makanan UMKM Bumi Pangan lokal yang berdampak pada mutu dan keamanan makanan. Tujuan dari Pengabdian Kepada Masyarakat ini adalah untuk memberi pengetahuan bahaya logam dalam bahan makanan yang menjadi sumber penyakit jangka panjang seperti besi, stainless, alumunium dan tembaga. Alat yang dikembangkan dalam Pengabdian Kepada Masyarakat ini adalah mendeteksi partikel logam yang berada pada bahan makanan seperti tepung, gula dan lainnya. Alat ini akan berfungsi mendeteksi partikel logam yang terdapat pada bahan makanan dengan menggunakan sensor pendeteksi logam. Pada alat ini juga dilengkapi dengan IoT yang berfungsi memberikan informasi apakah bahan makanan terdapat logam berbahaya yang terhubung pada handpone pengguna, selain itu alat pendeteksi logam ini juga terdapat magnet dengan kekuatan tarik sebesar 12.000 Gauss yang bertujuan untuk menarik partikel logam berbahaya. Hasil dari penggunaan alat pendeteksi logam ini adalah UMKM mengetahui bahaya logam serta dapat memisahkan logam yang terdapat pada bahan makanan yang sering dipakai dengan menggunakan, pemasaran hasil dari produk UMKM bisa dipasarkan antar Kabupaten melalui media sosial, seperti Facebook dan berita elektronik Radar Banten. Metal contamination in food is very risky for health, especially if it occurs in the long term. The main problem in this Community Service is the presence of metal mixed in flour which is used as the main ingredient of local Bumi Pangan UMKM food which has an impact on food quality and safety. The purpose of this Community Service is to provide knowledge of the dangers of metals in food ingredients that are a source of long-term diseases such as iron, stainless, aluminum and copper. The tool developed in this Community Service is to detect metal particles in food ingredients such as flour, sugar and others. This tool will function to detect metal particles found in food ingredients using a metal detector sensor. This tool is also equipped with IOT which functions to provide information whether food ingredients contain dangerous metals that are connected to the user's cellphone, in addition to this metal detector also has a magnet with a pulling force of 12,000 Gauss which aims to attract dangerous metal particles. The results of using this metal detector are that UMKM are aware of the dangers of metals and can separate metals from commonly used food ingredients. UMKM products can be marketed across districts through social media platforms such as Facebook and the Radar Banten e-news platform.
Development of the Multi-Channel Clustering Hierarchy Method for Increasing Performance in Wireless Sensor Network Rizky, Robby; Hakim, Zaenal; Setiyowati, Sri; susilawati, Susilawati; Yunita, Ayu Mira
MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer Vol. 23 No. 3 (2024)
Publisher : Universitas Bumigora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30812/matrik.v23i3.3348

Abstract

Wireless Sensor Networks are technologies that make it possible to observe phenomena. The problem is data delays in covering the distance from the origin to the destination. Packet Loss is a condition that shows the number of lost packets and the total queue length caused by data processing time. This research aims to develop a cluster-based protocol. This research uses a multichannel hierarchical clustering method and adds odd-even by dividing the network into several channels and forming a cluster head for each channel. The results of this research are Channel 1 with a throughput value of 1.88, channel 2 with a throughput value of 21.68, channel 3 with a throughput value of 1.62, and channel 4 with a throughput value of 42.44. The conclusion of this study is that the throughput results are smaller compared to the Multi-Channel Clustering H ierarchy method, because not all nodes are active
Co-Authors Aghi Gilar Pratama Aghy Gilar Pratama Aghy Gilar Pratama Aghy Gilar Pratama Agung Sugiarto Andrianto Heri Wibowo Andrianto Heri Wibowo Ariyan, Said Ayu Mira Yunita Eka Ridwan Ruswandi ervi nuraflian susanti Hakim, Moh Azizi Hakim, Moh. Azizi Hanifah, Ifat Hardianto, Asep Hendra Hendra Heriyana, Erik Hudaya, Dadan Ahmad Humaeroh, Siti Husna, Ucu Ika Safitri Windiarti Imat Maftuhah Jarinah, Jarinah Kurniawan, Maskun lili sujai Maulfianti, Afdi Meika, Ika Mohammad Ridwan Mulyati, Dede Mulyawan, Arif Neli Nailul Wardah Nugroho, Asep Hardiyanto Nurafliyan Susanti, Ervi Nurbani , Siti Nurlia, Elly Pratama, Aghy Gilar Prianggita, Veni Agustini Riandini, Nopi Rifai, Epi Hasan Rizki, Robby Rizky, Robby Robby Rizky Romli, Ombi Sartika, Nenden Suciyati Sri Setiowati Sri Setiyowati Sri Setiyowati Sri Setiyowati Sri Setiyowati Sri Setyowati Suhendi, Dadi Sujai, Lili Sujana, Asep Sukisno Sukisno Sukmara, Sony Susanti, Ervi Nuraflian Susanti, Ervi Nuravlian Susilawati . Susilawati, Susilawati Susilowati Susilowati Sutihat, Eva Taufik Hidayat Taufik Hidayat Veny Agustini Prianggita Wibowo, Andrianto Heri