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All Journal Riemann : Research of Mathematics and Mathematics Education Jurnal Pengabdian Farmasi dan Sains
Iman Al Fajri
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Education Immunology & microbiology Mathematics Medicine & Pharmacology

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PELATIHAN PENGGUNAAN APLIKASI GEOGEBRA DALAM MENYELESAIKAN TURUNAN FUNGSI REAL BAGI SISWA SMA 4 SIGI Lusiyanti, Desy; Selvy Musdalifah; Iman Al Fajri; Andri
JURNAL PENGABDIAN FARMASI DAN SAINS Vol. 3 No. 1 (2024): Oktober 2024
Publisher : Jurusan Farmasi FMIPA Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jpsf.2024.v3.i1.17365

Abstract

The training on the use of the GeoGebra™ application at SMA 4 Sigi aimed to enhance students' understanding of the concept of derivatives of real functions through an interactive and technology-based learning approach. GeoGebra™ was chosen as a tool due to its capability to visualize function graphs and their derivatives, thus facilitating students' comprehension of complex mathematical concepts. This training involved 40 students, beginning with basic GeoGebra™ introductions and concluding with practical applications in solving derivative problems. The results of the training showed a significant improvement in students' understanding and skills, as evidenced by an average increase of 25 points in post-test scores compared to pre-test scores. Additionally, feedback from students indicated that 90% felt more confident and found GeoGebra™ easy to use, and were satisfied with the learning method implemented. The use of GeoGebra™ also successfully fostered students' interest in exploring more mathematical topics through visualization approaches. The success of this training highlights the importance of integrating technology into education to enhance learning quality and students' skills in solving mathematical problems. It is recommended that this training becomes a regular program with a broader scope of topics to support the continuous development of students' technological and academic abilities.
Total Edge Irregularity Strength of Graph L_3⊙N_m Nikita; Sri Nurhayati; Trisha Magdalena A. Jauvani; Selvy Musdalifah; Iman Al Fajri; Andri
Riemann: Research of Mathematics and Mathematics Education Vol. 7 No. 2 (2025): EDISI AGUSTUS
Publisher : Program Studi Pendidikan Matematika Universitas Katolik Santo Agustinus Hippo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38114/reimann.v7i2.104

Abstract

An edge irregular total k-labeling of a simple graph  is a labeling that assigns positive integers to its vertices and edges such that the weight of every edge, defined as the sum of the labels of the edge and its two incident vertices, is distinct. The smallest integer  that allows such a labeling is called the total edge irregularity strength, denoted by  In this paper, we study the total edge irregularity strength of the corona product of a ladder graph ​ and a null graph ​, denoted by  By applying constructive labeling and analyzing the resulting edge weights, we show that all edges can be assigned distinct weights. From Theorem 1, it is obtained that . This result contributes to the development of graph labeling theory and can be extended to larger ladder graphs for further applications, including cryptography and network security.
Co-Authors Andri Desy Lusiyanti Nikita Nikita, Nikita Selvy Musdalifah Sri Nurhayati Trisha Magdalena A. Jauvani