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All Journal SIGMA: Jurnal Pendidikan Matematika Union: Jurnal Ilmiah Pendidikan Matematika SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan JOURNAL OF SCIENCE AND SOCIAL RESEARCH Mandalika Mathematics and Educations Journal Jurnal GAMMA-PI Indonesia Berdampak: Jurnal Pengabdian Kepada Masyarakat
Intan Sari
Universitas Samudra
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Pendampingan dan Pemberdayaan UMKM Kopi melalui Penguatan Branding dan Manajemen Keuangan Sederhana di Desa Cane Toa Mawarni Mawarni; Fairus Fairus; Intan Sari
Indonesia Berdampak: Jurnal Pengabdian kepada Masyarakat Vol. 1 No. 2 (2025): JULI-DESEMBER
Publisher : Indo Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63822/m8hcze07

Abstract

Local coffee micro, small, and medium enterprises (MSMEs) in Cane Toa Village face several challenges, including the absence of a clear brand identity, limited financial management practices, and inadequate marketing strategies, which hinder their competitiveness and business sustainability. This community service activity aimed to strengthen the capacity of these local coffee MSMEs by enhancing business branding, providing guidance on simple financial record-keeping, and introducing basic product marketing strategies. The program employed a participatory approach, actively involving MSME actors as key partners throughout all stages, using interactive lectures, focused discussions, and hands-on practice. Implementation was carried out in three main stages: preparation and planning, implementation, and monitoring and evaluation, integrated with the student Community Service Program (KKN). The results demonstrated measurable improvements in participants’ competencies: all participants (100%) successfully developed basic branding elements including business names and simple logos, approximately 85% were able to independently maintain daily financial transaction records, and several participants began to apply structured product marketing strategies. Overall, the program effectively enhanced the professionalism and managerial capacity of local coffee businesses, contributed to economic self-reliance within the Cane Toa Village community, and provided a foundation for sustainable business development, although continued mentoring and institutional support are recommended to maintain long-term outcomes.        
ANALISIS DESAIN DIDAKTIS MATERI PERMUTASI DAN KOMBINASI BERDASARKAN LEARNING OBSTACLE SISWA SMA Mawarni; Intan Sari
SIGMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 17 No. 2: Desember 2025
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/sekw9w97

Abstract

Penelitian ini bertujuan untuk menganalisis desain didaktis materi permutasi dan kombinasi yang disusun berdasarkan kesulitan belajar siswa serta mengkaji implementasinya dalam pembelajaran matematika di tingkat SMA. Penelitian ini menggunakan pendekatan kualitatif dengan menggunakan kerangka desain didaktis (didactical design research), yang diawali dengan studi pendahuluan guna mengidentifikasi dan menganalisis berbagai learning obstacle yang dialami siswa. Hasil analisis menunjukkan bahwa learning obstacle siswa terbagi ke dalam tiga tipe, yaitu hambatan konseptual, hambatan strategis dalam pemilihan rumus atau metode penyelesaian, dan hambatan prosedural pada operasi hitung faktorial. Berdasarkan temuan tersebut, disusun desain didaktis berupa Lembar Kerja Siswa (LKS) yang menekankan penguatan pemahaman konsep dan pemilihan strategi penyelesaian. Desain didaktis kemudian diimplementasikan dalam pembelajaran untuk mengamati kesesuaian antara prediksi respon siswa, respon aktual, dan antisipasi didaktis yang dilakukan selama proses pembelajaran. Hasil implementasi menunjukkan bahwa sebagian besar respon siswa sejalan dengan prediksi desain, sementara respon yang menyimpang dapat diantisipasi melalui tindakan pedagogis seperti scaffolding dan diskusi. Hasil identifikasi learning obstacle akhir menunjukkan penurunan persentase hambatan pada ketiga aspek tersebut. Temuan ini menunjukkan bahwa desain didaktis yang dianalisis dapat digunakan sebagai alternatif bahan ajar untuk meminimalkan learning obstacle siswa pada materi permutasi dan kombinasi.
Analysis of Civil Engineering Students' Mathematical Thinking Skills in Calculus Based on Personality Type Intan Sari; Defry Basrin; Fazrina Saumi; Mawarni; Fairuz; Fitra Muliani
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.11902

Abstract

Mathematical thinking skills are crucial competencies for civil engineering students in dealing with increasingly complex infrastructure problems, one of the foundations of which is laid by basic calculus. However, students show varying abilities, indicating the influence of internal factors such as personality. This study aims to describe the relationship between students' personality types, as measured by the Myers–Briggs Type Indicator (MBTI) framework, and the mathematical thinking abilities of civil engineering students in calculus learning. This study uses a descriptive qualitative approach involving civil engineering students at Samudra University. Personality types were determined using the MBTI questionnaire, while mathematical thinking skills were measured by analyzing students' written answers to calculus problems compiled based on mathematical thinking indicators. Data were analyzed descriptively and qualitatively to identify patterns in mathematical thinking skills across personality types. The results of the study indicate that students with ESFJ or SFJ tendencies tend to show strength in applying concrete procedures (specializing), while students with ENFJ or NFJ tendencies tend to demonstrate greater flexibility in developing intuitive ideas. This study suggests that students' personalities should be taken into account when designing calculus learning. The application of adaptive and differentiated learning strategies tailored to individual personality characteristics may be considered.
Peningkatan literasi dan kreativitas anak melalui program “Cerdas Bersama” berbasis taman literasi di Kabupaten Gayo Lues Ulil Amna; Tisna Harmawan; Vivi Mardina; Fachrizal Fachrizal; Intan Sari
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 10, No 2 (2026): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v10i2.38911

Abstract

Abstrak Kabupaten Gayo Lues merupakan salah satu wilayah di Provinsi Aceh yang memiliki keterbatasan akses terhadap fasilitas pendidikan dan bahan bacaan anak, sehingga berdampak pada rendahnya minat baca dan pengembangan kreativitas anak. Oleh karena itu, kegiatan Pengabdian kepada Masyarakat (PKM) ini bertujuan untuk meningkatkan literasi dan kreativitas anak melalui Program “Cerdas Bersama” berbasis taman literasi. Mitra dalam kegiatan ini adalah masyarakat dan aparatur Desa Gumpang Pekan dengan sasaran utama anak-anak desa yang berjumlah sekitar 30 orang. Kegiatan dilaksanakan melalui beberapa tahapan, yaitu survei lapangan dan analisis kebutuhan, sosialisasi program, penyediaan fasilitas taman literasi, serta pendampingan kegiatan literasi dan kreativitas anak selama satu bulan. Program ini melibatkan mahasiswa KKN sebagai fasilitator yang melaksanakan berbagai aktivitas edukatif seperti bimbingan belajar, lomba menggambar dan mewarnai, serta kegiatan literasi kreatif. Hasil kegiatan menunjukkan bahwa keberadaan taman literasi dan kegiatan pendampingan mampu meningkatkan minat baca dan partisipasi anak dalam kegiatan belajar kreatif. Selain itu, tingkat kehadiran peserta menunjukkan peningkatan selama pelaksanaan program. Program ini juga mendapatkan dukungan dari masyarakat dan aparatur desa sehingga diharapkan dapat dimanfaatkan secara berkelanjutan sebagai sarana pembelajaran bagi anak-anak di Desa Gumpang Pekan, Kabupaten Gayo Lues. Kata kunci: literasi anak; kreativitas anak; taman literasi; program cerdas bersama; gayo lues. AbstractGayo Lues Regency is one of the regions in Aceh Province that has limited access to educational facilities and children's reading materials, which affects the low level of reading interest and creativity development among children. Therefore, this community service program (PKM) aims to improve children's literacy and creativity through the "Cerdas Bersama" literacy park-based program. The partners in this activity were the community and village officials of Gumpang Pekan Village, with the main target being approximately 30 children. The program was implemented through several stages, including field surveys and needs analysis, program socialization, provision of literacy park facilities, and assistance in literacy and creative activities for one month. This program involved university students participating in community service (KKN) as facilitators who conducted various educational activities such as tutoring sessions, drawing and coloring competitions, and creative literacy activities. The results showed that the existence of the literacy park and mentoring activities increased children's reading interest and participation in creative learning activities. In addition, the level of participant attendance showed improvement during the program implementation. The program also received support from the community and village authorities and is expected to be sustainably utilized as a learning facility for children in Gumpang Pekan Village, Gayo Lues Regency. Keywords: children’s literacy; children’s creativity; literacy park; ”cerdas bersama” program; gayo lues.
Error analysis of mathematics students in solving mathematical finance problems Intan Sari; Mawarni Mawarni
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 2 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i2.19873

Abstract

Mathematical Finance is a course in the Mathematics Study Program. This course is highly useful in both the workplace and everyday life. However, the results of the student’s final exams (UAS) show unsatisfactory outcomes. This research is a descriptive qualitative study that aims to identify the types of errors in students' answers when solving Financial Mathematics final exams. The subjects of this research are students in the even semester of the Mathematics study program at Universitas Samudra. The data collection technique in this research is a test. The results showed that the standard errors found in students' answers were concept errors, namely errors due to students not understanding the concept, as well as procedural errors, which occurred when students had difficulty in linking concepts to the steps of the process. Additionally, there is a slip error that occurs when students are in a hurry to solve the problem, although this error is not dominant. This study concludes that a lack of conceptual understanding and procedural mainly causes students difficulties in Mathematical Finance. These findings contribute to the development of effective learning strategies and the creation of teaching materials by emphasizing the importance of understanding concepts and procedures in problem-solving.
ANALISIS HUBUNGAN JUMLAH PENDUDUK DAN JUMLAH MENARA TELEKOMUNIKASI DI KOTA LANGSA MENGGUNAKAN KORELASI SPEARMAN Sharhatun; Fitra Muliani; Intan Sari
JURNAL GAMMA-PI Vol 8 No 1 (2026): Jurnal Gamma-Pi (Matematika dan Pendidikan Matematika)
Publisher : Program Studi Matematika, Fakultas Teknik, Universitas Samudra. Langsa, Aceh.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gamma-pi.v8i1.13406

Abstract

Perkembangan teknologi komunikasi menyebabkan kebutuhan terhadap layanan jaringan dan internet semakin meningkat, sehingga ketersediaan infrastruktur telekomunikasi seperti menara telekomunikasi menjadi sangat penting dalam suatu wilayah. Penelitian ini bertujuan untuk mengetahui hubungan dan tingkat keeratan hubungan antara jumlah penduduk dengan jumlah menara telekomunikasi di Kota Langsa. Data yang digunakan merupakan data sekunder yang diperoleh dari Dinas Komunikasi dan Informatika Kota Langsa tahun 2024. Metode yang digunakan adalah analisis korelasi Spearman karena hubungan antar variabel tidak menunjukkan pola linear dan terdapat nilai outlier pada data. Hasil analisis menunjukkan nilai koefisien korelasi sebesar 0,600 yang mengindikasikan adanya hubungan positif yang cukup kuat antara jumlah penduduk dan jumlah menara telekomunikasi. Namun, nilai signifikansi sebesar 0,285 (> 0,05) menunjukkan bahwa hubungan tersebut tidak signifikan secara statistik. Dengan demikian, jumlah penduduk bukan satu-satunya faktor yang memengaruhi pembangunan menara telekomunikasi, tetapi terdapat faktor lain seperti kebijakan pemerintah, kebutuhan jaringan, dan kondisi wilayah. Kata kunci : jumlah penduduk, menara telekomunikasi, korelasi spearman, infrastruktur jaringan
SISTEM PENDUKUNG KEPUTUSAN PENILAIAN KINERJA GURU MENGGUNAKAN IMPROVED K-MEANS CLUSTERING DAN METODE SAW Mawarni Mawarni; Fitri Rezky Hamzani; Ulya Nabilla; Intan Sari; Masthura Masthura
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 3 (2026): June 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i3.6707

Abstract

Abstract: School A Banjarmasin is a boarding school that motivates teachers through exemplary teacher selection and salary increases based on performance clusters. However, in 2022–2023, teacher performance appraisal was not conducted due to the absence of a supporting system and historical performance data, resulting in equal salary increases. To address this issue, this study proposes the development of a Decision Support System (DSS) that integrates Improved K-Means Clustering for grouping salary increases and the Simple Additive Weighting (SAW) method for determining exemplary teachers. The system is implemented using Visual Basic for Applications (VBA) in Microsoft Excel. The data used in this study consist of teacher performance assessment results for the 2023/2024 academic year, evaluated across four assessment dimensions comprising eleven criteria. The DSS produces two outputs. Based on school-defined standards, two outputs were generated. The first output indicates suboptimal performance, with three populated clusters, while the fourth cluster contains no members due to data distribution. The second output represents the author's recommended clustering, with a silhouette score evaluation value of 0.5125, indicating optimal visibility between clusters, ensuring four salary increase clusters. Overall, the proposed DSS provides more accurate, objective, and systematic calculations and rankings, thereby supporting decision makers in evaluating teacher performance and determining salary increases more effectively. Keywords: k-means clustering, simple additive weighting (SAW), teacher performance assessment, VBA Excel   Abstrak: Sekolah A Banjarmasin merupakan sekolah berasrama yang memotivasi guru melalui pemilihan guru teladan dan kenaikan gaji berdasarkan klaster kinerja. Namun, pada tahun 2022–2023, penilaian kinerja guru tidak dilaksanakan karena ketiadaan sistem pendukung dan data historis kinerja, sehingga kenaikan gaji diberikan secara merata. Untuk mengatasi masalah ini, penelitian ini mengusulkan pengembangan Sistem Pendukung Keputusan (SPK) yang mengintegrasikan metode Improved K-Means Clustering untuk pengelompokan kenaikan gaji dan metode Simple Additive Weighting (SAW) untuk menentukan guru teladan. Sistem ini diimplementasikan menggunakan Visual Basic for Applications (VBA) pada Microsoft Excel. Data yang digunakan dalam penelitian ini mencakup hasil penilaian kinerja guru tahun ajaran 2023/2024, yang dievaluasi berdasarkan empat dimensi penilaian yang terdiri dari sebelas kriteria. Sistem ini menghasilkan dua keluaran. Keluaran pertama menunjukkan kinerja yang kurang optimal, dengan tiga klaster yang terisi, sementara klaster keempat tidak memiliki anggota akibat distribusi data. Keluaran kedua merepresentasikan hasil pengelompokan yang disarankan oleh penulis, dengan nilai evaluasi silhouette score sebesar 0,5125 yang menunjukkan pemisahan optimal antar-klaster serta memastikan terbentuknya empat klaster kenaikan gaji. Secara keseluruhan, SPK yang diusulkan memberikan perhitungan dan pemeringkatan yang lebih akurat, objektif, dan sistematis, sehingga membantu pengambil keputusan dalam mengevaluasi kinerja guru dan menentukan kenaikan gaji secara lebih efektif. Kata kunci: k-means clustering, simple additive weighting (SAW), penilaian kinerja guru, VBA Excel
Co-Authors Defry Basrin Fachrizal Fachrizal Fairus, Fairus Fairuz Fazrina Saumi Fitra Muliani Fitri Rezky Hamzani Masthura Masthura Mawarni Mawarni Mawarni Sharhatun Tisna Harmawan Ulil Amna Ulya Nabilla Vivi Mardina