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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 50 Documents
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Analisis Kemampuan Penalaran Matematis Siswa pada Materi Pola Bilangan Ditinjau Dari Kemampuan Menyelesaikan Soal Berbasis Masalah Paputungan, Arsiullahnur R.; Djakaria, Ismail; Ismail, Yamin
Research in the Mathematical and Natural Sciences Vol. 3 No. 2 (2024): May-October 2024
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v3i2.162

Abstract

This research is a qualitative descriptive study which aims to determine students' mathematical reasoning abilities in solving problem-based questions with categories of high, sufficient and low mathematical reasoning abilities. The subjects studied were 18 students at SMPN 15 Gorontalo who were in class VIII. The data collection technique is a means of collecting data by researchers which takes place in two stages, namely tests and interviews. The indicators used in this research are as follows: 1) Ability to present mathematical statements in writing. 2) submit an opinion. 3) carry out mathematical manipulations. 4) compiling evidence, providing reasons or evidence for the truth and 5) drawing conclusions. The research results showed that the ability to present mathematical statements obtained a presentation of 68.52% in the high category, the ability to put forward conjectures in the presentation 44.44% in the sufficient category, the ability to manipulate mathematical presentations in the sufficient category 44.44%, the ability to draw conclusions, compile evidence, provide reasons or evidence for the correctness of the solution. obtained presents 48.15%. sufficient category, an interesting conclusion from the statement obtaining a percentage of 40.74% in the sufficient category.
Pemodelan SEM Partial Least Square Pada Minat Pelanggan UMKM Menggunakan QRIS sebagai Alat Pembayaran Rahman, Yulinar; Yahya, Lailany; Isa, Dewi Rahmawaty
Research in the Mathematical and Natural Sciences Vol. 3 No. 2 (2024): May-October 2024
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v3i2.165

Abstract

Structural Equation Modeling (SEM) is a multivariate statistical method. in addition, SEM is a method that is able to disclose the simultaneous correlation between indicator variables (which are directly observed) and latent variables (which are not directly observed). Information and communication technology developments facilitate the growth of the digital economy. One form of implementing technology and information in the growth of the digital economy is conducting non-cash transaction. Furthermore, digital financial service are financial service that use digital technology through third paties, namely without intermediaries from banks and the general public. Technological development change business activities in financial service, especially in the digital world. The use of a QR (Quick Response) code payment system is a system that is currently popular. On January 1, 2020, Bank Indonesia officially released a standart for using the Indonesian QR code called Quick Response Code Indonesian Standard (QRIS). Thus, this research aimed to determine the factors affecting MSME customers’ interest in using QRIS as a payment method. This research employed 97 respondents’ responses obtained from distributing questionnaires to MSME (Micro, Small, and medium Enterprises) in Gorontalo City, in which the respondents were the customer who often used QRIS as the payment method. The finding indicated that public understanding and convenience affected customers’ interest in using QRIS as a payment mtehod. In comparison, the benefits and obstacles did not significantly affect customers’ interest in using QRIS as a payment method.
Kemampuan Literasi Matematis Siswa-Siswi Di Gorontalo Manik, Kristiani; Mohidin, Abdul Djabar
Research in the Mathematical and Natural Sciences Vol. 3 No. 2 (2024): May-October 2024
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v3i2.77

Abstract

This study aims to determine the mathematical literacy abilities of students in Gorontalo. This study seeks to uncover and describe the problems of mathematical literacy faced by students. Literacy plays an important role for students. One of the literacy that must be mastered by students is mathematical literacy. Several mathematical literacy skills are widely reviewed in national articles. The research is more dominant in discussing the profile of students' mathematical literacy skills, the influence of learning models on mathematical literacy skills and the rest describes the results of a literature study on mathematical literacy with reference to nine article documents.
Meningkatkan Hasil Belajar Siswa Menggunakan Model Problem-Based Learning Pada Materi Transformasi Dita, Alvia; Achmad, Novianita; Isa, Dewi Rahmawaty
Research in the Mathematical and Natural Sciences Vol. 4 No. 1 (2025): November 2024-April 2025
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v4i1.153

Abstract

This research aims to enhance students' learning outcomes using the Problem-Based Learning model on the topic of Transformation. This study is a classroom action research conducted collaboratively between researchers and teachers involving 30 students in class IX of Satap Tobongon Public Junior High School in the academic year 2023/2024. The research was conducted in two cycles, each comprising three meetings. Instruments used in this study included teacher activity observation sheets, student activity observation sheets, attitude assessment sheets, skill assessment sheets, and learning outcome tests. Data collection was performed through observations and written tests. The research results indicate that the observed teacher activity, categorized as good and very good, increased from 69.44% to 86.11%. Similarly, the observed student activity, categorized as good and very good, increased from 59.38% to 84.38%. Students' learning outcomes improved in the cognitive domain from 66.67% to 86.67%, in the affective domain from 65.00% to 85.83%, and in the psychomotor domain from 67.50% to 85.00%. Thus, all assessment aspects have achieved the learning success indicators in cycle II through the use of the Problem-Based Learning model.
Deskripsi Pemahaman Konsep Kubus dan Balok Melalui Pembelajaran Daring Ibrahim, Faisal; Ismail, Sumarno; Ismail, Yamin
Research in the Mathematical and Natural Sciences Vol. 3 No. 2 (2024): May-October 2024
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v3i2.167

Abstract

This study aims to describe students understanding of mathematical concepts through online learning for students of SMP Negeri 1 Suwawa regarding the concepts of cubes and cuboids. This research is descriptive with a quantitative approach. The subjects of this study were 35 students from classes VIII of SMP Negeri 1 Suwawa. The instrument used was essay questions. The research data were obtained from the results of the essay test. The results showed that the understanding of cubes and cuboids for class VIII was categorized as low for 28.57% of the students, medium for 63%, and high for 9%.
Perbandingan Metode K-Means dan K-Medoids Dengan Validitas Davies-Bouldin Indeks, Dunn Indeks dan Indeks Connectivity Pada Pengelompokkan Masyarakat Penerima Bantuan Langsung Tunai Kilo, Nur Ain; Katili, Muhammad Rifai; Hasan, Isran K
Research in the Mathematical and Natural Sciences Vol. 4 No. 1 (2025): November 2024-April 2025
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v4i1.190

Abstract

This study discusses the comparison between the K-Means and K-Medoids methods in grouping direct cash assistance (BLT) recipients, with an assessment using three validity indices: Davies-Bouldin Index (DBI), Dunn Index, and Connectivity Index. The main objective of this study is to determine the most effective clustering method for grouping BLT recipient data by considering the quality of the resulting clustering. In the experiment, the K-Means method with three clusters produced, namely: Cluster 1 with 10 family head members, Cluster 2 with 101 family head members, and Cluster 3 with 118 family head members. In contrast, the K-Medoids method also with three clusters, namely: Cluster 1 with 67 family head members, Cluster 2 with 59 family head members, and Cluster 3 with 103 family head members. Based on the evaluation using the Davies-Bouldin Index and Connectivity Index, the K-Means method showed better performance than K-Medoids. The DBI value for the K-Means method is 1,307, while the Connectivity Index value is 40,079, which shows that the K-Means clustering results are more effective in producing separate and quality clusters in the context of grouping BLT recipient communities.
Meningkatkan Kemampuan Pemecahan Masalah Matematika Menggunakan Model Kooperatif Tipe Jigsaw Pada Materi Perbandingan Nurkamiden, Fikran; Pomalato, Sarson W. Dj.; Zakiyah, Siti
Research in the Mathematical and Natural Sciences Vol. 4 No. 1 (2025): November 2024-April 2025
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v4i1.191

Abstract

The purpose of this study was to improve students' mathematical problem-solving abilities through the Jigsaw Cooperative Type model in the comparison material. This research is a type of classroom action research. This research consists of two cycles. The research subjects were students in class VII–5 for the academic year 2022–2023, with a total of 28 students, consisting of 17 male students and 11 female students. The techniques used in data collection were teacher observation sheets, student observation sheets, and tests of students' mathematical problem-solving abilities. This research consists of two cycles. The results showed that the test results for students' problem-solving abilities in cycle I, namely 46.43%, had a good minimum criterion, and in cycle II, the minimum criteria increased to 85.71. From observations of teacher activities managing learning, there was an increase in cycle I, namely 50%, where the minimum criteria were good, and in cycle II, namely 87.5%. The results of observations of student activities experienced an increase from cycle I, namely 50%, where the minimum criteria were good, to cycle II, namely 87.50%. This means that learning using a jigsaw cooperative model in comparative material can improve students' mathematical problem-solving abilities.
Pemodelan Faktor-Faktor Yang Mempengaruhi Perilaku Konsumen Pia Jagung Dumati menggunakan Structural Equation Modeling-Partial Least Square Abdussamad, Siti Nurmardia; Naue, Siti Nurmeylisya; Hasan, Nadia Kasmin
Research in the Mathematical and Natural Sciences Vol. 4 No. 1 (2025): November 2024-April 2025
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v4i1.192

Abstract

The development of industrial competition requires producers to continue to evaluate and innovate the products they produce. This research aims to analyze consumer behavior by looking at the factors that influence the purchase of Pia Jagung Dumati products in Gorontalo Regency. The method used is Structural Equation Modeling (SEM)-Partial Least Square (PLS) to provide a clearer picture of the influence on consumer behavior. Questionnaires distributed to 100 respondents became the data used in this research. The sampling technique used is purposive sampling. This research uses the variables price, product quality, promotions, and working hours. The results of the analysis are that the price, product quality and promotion variables have a significant influence on consumer behavior, while the working hours variable has no significant influence. This research provides recommendations for manufacturers to focus on flavor innovation, packaging and more creative digital marketing strategies to attract the attention of consumers, especially among the productive age group
Klasifikasi Tingkat Depresi Mahasiswa Menggunakan Image Recognition dengan Support Vector Machine Abdussamad, Siti Nurmardia; Doholio, Nadya Pratiwi; Lasaleng, Wahyu Pratama; Usia, Putu Ayu Indah N.; Rahman, Mohamad Iswanto; Adam, Dwi Putri Juniar
Research in the Mathematical and Natural Sciences Vol. 4 No. 1 (2025): November 2024-April 2025
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v4i1.193

Abstract

Mental health problems in Indonesia are increasing, with university students being one of the groups vulnerable to depression due to academic pressure, social expectations, and exposure to negative information. Early detection of depression still relies on questionnaire methods that have limitations in objectivity and accuracy. Therefore, this research aims to develop a classification system for student depression using image recognition technology with Support Vector Machine (SVM). The system analyses students' facial expressions and combines them with questionnaire results to improve the accuracy of early depression detection. The results showed that out of 131 respondents, 74% experienced moderate depression, with academic pressure as the main factor. This finding is consistent with the condition of final-year students who face high academic loads. With this method, early detection of depression is more accurate than conventional methods, which can help intervene more quickly in dealing with student mental health crises.
Pengembangan Bahan Ajar Berbasis E-Book Interaktif (BAJARTIF) Pada Materi Teorema Pythagoras Millah, Hafidzah Nurul; Zakaria, Perry; Pauweni, Khardiyawan A.Y
Research in the Mathematical and Natural Sciences Vol. 4 No. 1 (2025): November 2024-April 2025
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v4i1.194

Abstract

This research aims to: (1) determine the feasibility of interactive e-book based teaching materials, (2) determine students' responses to the attractiveness of the interactive e-book based teaching materials that have been developed. This research is development research or Research and Development (R&D) using the 4-D (four D) model. This research was carried out at SMP Negeri 1 Kabila. Validation results from material experts and design experts show that the results are worthy of being tested with revisions. Then the teaching materials are tested through 2 stages, namely readability testing and feasibility testing. The average results obtained were 85.33% for the readability test of teaching materials and 81.29% for the feasibility test, 87.47% so that interactive e-book based teaching materials had very positive criteria.

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