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All Journal Jurnal Tecnoscienza Noumerico: Journal of Technology in Mathematics Education
Muhamad Safa’udin
Institut Agama Islam Tribakti Kediri
Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Mathematics Social Sciences Other

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Rancang Bangun Sistem Informasi Manajemen Laboratorium Komputer Berbasis Web: (Studi Kasus : SMK Al Khoiriyah Baron Nganjuk) Samdi Setiawan; Cahyo Purnomo Prasetyo; Muhamad Safa'udin
JURNAL TECNOSCIENZA Vol. 5 No. 2 (2021): TECNOSCIENZA
Publisher : JURNAL TECNOSCIENZA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51158/tecnoscienza.v5i2.408

Abstract

Perkembangan teknologi informasi yang bergerak sangat cepat di era revolusi industri 4.0 membuat manusia melakukan berbagai kegiatan dengan lebih cepat, akurat serta berkualitas. Laboratorium di sekolah yang berperan membentuk cara berpikir siswa harus dikelola dengan manajemen sistem yang baik untuk dapat memenuhi fungsinya. Keberadaan sistem cyber memungkinkan untuk mengembangkan sistem manajemen laboratorium yang lebih mudah dalam administrasi dan pengelolaan. Tujuan penelitian ini adalah untuk menghasilkan Sistem Informasi Manajemen Laboratorium Komputer Berbasis Web pada SMK Al Khoiriyah Baron Nganjuk. Sistem informasi manajemen ini dibuat menggunakan metode Waterfall. Bahasa pemrograman yag digunakan adalah PHP, HTML, CSS dan database MySQL. Pengujian fungsional perangkat lunak dilakukan dengan black box testing. Hasil akhir dari penelitian adalah bahwa sistem informasi manajemen laboratorium dapat : (1) Mempermudah petugas dalam mengelola data alat laboratorium. (2) Mempermudah guru dalam melakukan penjadwalan praktikum siswa, menginput absensi dan melakukan penilaian. (3) Mempermudah siswa mengakses informasi mengenai alat laboratorium, jadwal praktikum, peminjaman alat laboratorium, dan hasil nilai praktikum. Kata kunci: Sistem Informasi, Laboratorium, Siswa, Berbasis Web
Clifford's Algebraic Approach in Determining the Direction of Qibla Muhamad Imam Mutamaqin; Muhamad Safa’udin
Noumerico: Journal of Technology in Mathematics Education Vol. 4 No. 1 (2026): Noumerico, March 2026
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v4i1.8810

Abstract

While classical methods and hisab methods based on spherical trigonometry and vector algebra are commonly used, this article introduces a more elegant, purely geometric alternative using Clifford Algebra (within the framework of Geometric Algebra). This method uses unit vectors in three-dimensional space to represent the positions of the observer and the Kaaba, then projects these vectors onto the local horizontal plane using geometric operations such as the dot product and the outer product. The results of the Qibla direction calculations for five major cities in Indonesia—Jakarta, Surabaya, Medan, Bandung, and Makassar—when compared with the spherical trigonometry and vector algebra methods, show high consistency, with a maximum difference of less than 0°. Further validation using data from the Qibla Locator also confirms the method's accuracy. Clifford Algebra has proven to be an accurate, intuitive, and computationally efficient approach, with great potential for applications in digital navigation systems, augmented reality, and science education. Thus, this method offers a powerful modern alternative for determining the direction of the Qibla through hisab
Co-Authors Cahyo Purnomo Prasetyo Muhamad Imam Mutamaqin Samdi Setiawan