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Research in the Mathematical and Natural Sciences
Published by Cv. Scimadly Publishing
ISSN : -     EISSN : 28286804     DOI : https://doi.org/10.55657/rmns
Core Subject : Science, Education,
Computer Science & IT Education Mathematics
Research in the Mathematical and Natural Sciences (RiMaNs) is a national journal intended as a communication forum for mathematicians and other scientists from many practitioners who use mathematics in their research. RiMaNs disseminate new research results in all areas of mathematics and their applications. Besides research articles, the journal also receives survey papers that stimulate research in mathematics, Natural Sciences and its applications. The scope of the articles published in this journal deals with a broad range of mathematics and natural sciences topics, including Mathematics, Applied Mathematics, Statistics and Probability, Applied Statistics, Mathematics Education, Mathematics Learning, Computational Mathematics, Science and Technology, Computer Science, Artificial Intelligence, Optimization.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 59 Documents
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Penerapan Structural Equation Modelling-Partial Least Square pada Faktor-Faktor yang Memengaruhi Keputusan Pembelian Usaha MyCake.Ofc Siti Nurmardia Abdussamad; Amanda Adityaningrum; Muhammad Rezky Friesta Payu; Syafri Yandi Kudo; Desya Neydi Putri Pakaya; Qamarani Zatil Isma Darise
Research in the Mathematical and Natural Sciences Vol. 5 No. 1 (2026): November 2025-April 2026
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v5i1.250

Abstract

This study aims to analyze the influence of product, price, and promotion on purchasing decisions at MyCake.Ofc using the Structural Equation Modeling-Partial Least Square (SEM-PLS) method. Data were collected through questionnaires distributed to 100 respondents in Gorontalo City, selected using purposive sampling techniques. The analysis results show that price has a significant influence on purchasing decisions, while the product and promotion variables do not have a significant effect. The research model has an R-square value of 97.6%, indicating that the product, price, and promotion variables explain 97.6% of the variation in purchasing decisions.. This study highlights the importance of competitive pricing strategies to enhance consumer appeal and purchasing decisions in the food business sector, particularly at MyCake.Ofc.
Efektivitas Metode Tutor Sebaya dalam Meningkatkan Hasil Belajar Matematika pada Materi Ukuran Letak Data Sri Maharani Mooduto; Syamsu Qamar Badu; Franky A Oroh
Research in the Mathematical and Natural Sciences Vol. 5 No. 1 (2026): November 2025-April 2026
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v5i1.294

Abstract

This study aims to examine the improvement of students’ mathematics learning outcomes on the topic of Measures of Data Location through the implementation of the peer tutoring method. This study employed Classroom Action Research conducted at SMA Negeri 1 Tapa in the 2023/2024 academic year, involving 28 students of class X-4 as research subjects. Data were collected through observation and tests using teacher activity observation sheets, student activity observation sheets, and essay test instruments. The results showed that the implementation of the peer tutoring method was effective in improving students’ learning outcomes. The percentage of teacher activity in the preliminary activities increased from 70.83% to 95.83%, in the main activities from 65.62% to 90.62%, and in the closing activities from 68.75% to 87.5%. Student activity also improved, with preliminary activities increasing from 80% to 90%, main activities from 60% to 90%, and closing activities from 58.3% to 83.3%. In addition, students’ learning mastery increased from 53.6% in Cycle I to 85.7% in Cycle II. Based on the findings, it can be concluded that the implementation of the peer tutoring method improves both learning activities and students’ mathematics learning outcomes.
Pengembangan Media Pembelajaran Interaktif Berbasis Visual Basic for Application (VBA) pada Microsoft PowerPoint untuk Materi Bilangan Berpangkat Nurul Pakaya; Yamin Ismail; Perry Zakaria; Dewi Rahmawati Isa
Research in the Mathematical and Natural Sciences Vol. 5 No. 1 (2026): November 2025-April 2026
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v5i1.297

Abstract

This study is a research and development study aimed at producing a learning media based on Visual Basic for Application (VBA) in Microsoft PowerPoint for the topic of exponents. The research was conducted in the first semester of the 2024/2025 academic year at MTs. Al-Khairaat Gorontalo City, involving 20 students of class VIII D as the trial participants. The development process followed the ADDIE model, which consists of the stages of Analysis, Design, Development, Implementation, and Evaluation. The results indicate that the developed learning media meets the criteria of validity and practicality. Based on validation by six validators, the average validity score of the media was 3.34 and the material validity score was 3.17, both categorized as valid. Furthermore, the practicality test showed that the percentage of student responses was 87.88% and the teacher response was 100%, both categorized as very practical. Therefore, the VBA-based learning media in PowerPoint is considered feasible and appropriate for use in teaching the topic of exponents.
Pengembangan Media Pembelajaran Interaktif Berbasis Visual Basic for Application pada PowerPoint Menggunakan Pendekatan ADDIE Moh. Alfa Rezi Ali; Sumarno Ismail; Yamin Ismail
Research in the Mathematical and Natural Sciences Vol. 5 No. 1 (2026): November 2025-April 2026
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v5i1.298

Abstract

The use of instructional media in mathematics learning is often still static, resulting in low student engagement and increased boredom during the learning process. Therefore, interactive learning media are needed to enhance students’ interest and participation. This study aims to develop a mathematics learning media based on Visual Basic for Application (VBA) in Microsoft PowerPoint on the topic of sequences and series, and to evaluate its validity and practicality. This research employed the ADDIE development model, which consists of five stages: analysis, design, development, implementation, and evaluation. The research instruments included media validation sheets, material validation sheets, and questionnaires for teacher and student responses. The data were analyzed using the average percentage of assessment scores. The results showed that the developed learning media achieved a very high level of validity, with 92% from media experts and 91% from material experts. In addition, the practicality level was categorized as very practical, with 98% from teacher responses and 87% from student responses. Thus, the VBA-based PowerPoint learning media is considered valid and practical for use in mathematics learning, particularly on the topic of sequences and series.
Pengaruh Model Pembelajaran Kooperatif Tipe Jigsaw terhadap Hasil Belajar Matematika pada Materi Bangun Ruang Sisi Datar Aprilyani Zuriati Lubis; Nurhayati Abbas; Nancy Katili
Research in the Mathematical and Natural Sciences Vol. 5 No. 1 (2026): November 2025-April 2026
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v5i1.301

Abstract

This study aims to determine whether there is a difference in students’ mathematics learning outcomes between those taught using the Jigsaw cooperative learning model and those taught using the direct learning model on the topic of flat-sided solid geometry in Grade VIII at SMPN 2 Gorontalo City. The method employed was an experimental study with a Posttest-Only Control Design. The samples were selected using the Cluster Random Sampling technique, resulting in class VIII-4 as the experimental class using the Jigsaw cooperative learning model and class VIII-3 as the control class using the direct learning model. The instrument used was a multiple-choice test on mathematics learning outcomes. The data were analyzed using both descriptive and inferential statistics. The descriptive analysis showed that the mean score of students in the experimental class was higher, with a value of 13.96 compared to 12.57 in the control class. Furthermore, the inferential analysis using the t-test indicated that , namely 2.0551 > 1.6736 at a significance level of . Therefore, it can be concluded that students taught using the Jigsaw cooperative learning model achieved higher mathematics learning outcomes than those taught using the direct learning model. The Jigsaw cooperative learning model encourages students to actively engage in both individual and group learning, as well as enhances responsibility and collaboration among students.
The Role of Alternative Food Quality in Predator Persistence: Stability and Forward Bifurcation Analysis of a Predator-Prey Model Resmawan Resmawan; Binti Mualifatul Rosydah; Rizka Putri Handayani
Research in the Mathematical and Natural Sciences Vol. 5 No. 2 (2026): May-October 2026
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v5i2.299

Abstract

This study develops a two-dimensional predator-prey model incorporating logistic prey growth, prey group defense, alternative food, and ecological costs to the predator. The novelty of the model lies in the introduction of an alternative food quality parameter, which distinguishes the availability of alternative food from its biological effectiveness in supporting predator growth. The analysis focuses on the existence of equilibrium points, local stability, and forward bifurcation. The analytical results show that the model admits a trivial equilibrium, a predator-free equilibrium, and an interior equilibrium under certain existence conditions. The trivial equilibrium is always unstable, whereas the predator-free equilibrium is locally asymptotically stable when the quality of alternative food is below a critical value and loses its stability when the quality parameter exceeds this threshold. At the critical value, the system undergoes a forward bifurcation characterized by a stability transition from the predator-free equilibrium to a positive interior equilibrium. Numerical simulations confirm the analytical findings and illustrate three main scenarios: predator extinction when the alternative food quality is low, stable coexistence when the alternative food quality is high, and a stability transition through a bifurcation diagram as the alternative food quality parameter crosses its critical value. These results indicate that alternative food quality acts as a threshold parameter determining predator persistence and the transition from predator extinction to stable coexistence.
Students' Mathematical Critical Thinking Skills on Systems of Linear Equations in Two Variables: A Gender-Based Analysis Nurlela A. Ts. Nggoli; Nurhayati Abbas; Perry Zakaria
Research in the Mathematical and Natural Sciences Vol. 5 No. 2 (2026): May-October 2026
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v5i2.316

Abstract

This study aims to describe the mathematical critical thinking skills of male and female students in the topic of Systems of Linear Equations in Two Variables (SLETV) and to examine whether there is a significant difference in mathematical critical thinking skills between the two groups. The study employed a descriptive method using quantitative and qualitative approaches. The participants consisted of 30 eighth-grade students at MTs Negeri 2 Bolaang Mongondow Selatan, including 15 male and 15 female students. Data were collected through a mathematical critical thinking test and interviews. Mathematical critical thinking skills were analyzed based on four indicators: interpretation, analysis, evaluation, and inference. The findings indicate that female students achieved higher average mathematical critical thinking scores than male students across all indicators, particularly in interpretation and inference. Interview results also revealed that female students tended to be more careful in interpreting information and drawing conclusions. However, the independent samples t-test showed that the difference in mathematical critical thinking skills between the two groups was not statistically significant at the 5% significance level.
The Implementation of Project-Based Learning Assisted by GeoGebra-Based Ludomatika to Improve Students' Mathematics Learning Outcomes in Social Arithmetic Endang Anjarwarti; Sarson W. Dj. Pomalato; Kartin Usman
Research in the Mathematical and Natural Sciences Vol. 5 No. 2 (2026): May-October 2026
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v5i2.317

Abstract

This study aims to improve students' mathematics learning outcomes in social arithmetic through the implementation of the Project-Based Learning (PjBL) model assisted by GeoGebra-based Ludomatika media in class VII-1 of SMP Negeri 11 Dumoga. This study employed a classroom action research (CAR) design conducted in the 2024/2025 academic year, involving 30 students of class VII-1 as research subjects. The study was conducted in two cycles, each consisting of planning, action implementation, observation, and reflection stages. Data were collected through tests and observations using essay tests and observation sheets for teacher and student activities. The results showed an improvement in students' learning outcomes following the implementation of learning assisted by GeoGebra-based Ludomatika. In addition, teacher activity increased from 77.77% in Cycle I to 83.33% in Cycle II, while student activity increased from 69.70% to 80.60%. These improvements indicate that the implementation of Project-Based Learning assisted by GeoGebra-based Ludomatika can support the improvement of students' mathematics learning outcomes in social arithmetic. Therefore, the use of this media can serve as an alternative to support the mathematics learning process in the classroom.
Improving Mathematics Learning Outcomes in Systems of Linear Equations in Two Variables Using the Problem-Based Learning Model Rahmat Rahmat; Ismail Djakaria; Novianita Achmad
Research in the Mathematical and Natural Sciences Vol. 5 No. 2 (2026): May-October 2026
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v5i2.319

Abstract

This study aims to improve students' mathematics learning outcomes on Systems of Linear Equations in Two Variables (SLETV) through the implementation of the Problem-Based Learning (PBL) model. This type of research is Classroom Action Research (CAR) conducted at SMP Negeri 1 Suwawa during the even semester of the 2024/2025 academic year, with 31 eighth-grade students (class VIII-B) as subjects. The research took place in a single cycle consisting of four meetings (three learning process meetings and one final test meeting). The instruments used included Lesson Plans, Student Worksheets, observation sheets for teacher and student activities, and learning achievement tests. Observation results indicated that the percentage of teacher activity in the "good" and "very good" categories increased from 63.6% in Meeting 1 to 90.9% in Meeting 3, with an overall average of 75.7%. The percentage of student activity in the "good" and "very good" categories increased from 59.1% in Meeting 1 to 90.9% in Meeting 3, with an overall average of 77.2%. Learning test results showed that among the 25 students who took the evaluation, 19 students achieved mastery (76%), thereby meeting the established classical success indicator (>= 75%). Thus, the application of the PBL model is effective in improving students' mathematics learning outcomes on SLETV.

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