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All Journal Jurnal Penelitian dan Pengabdian Masyarakat AL JABAR: Jurnal Pendidikan dan Pembelajaran Matematika
Teguh Santoso
Universitas Muhammadiyah Papua Barat
Humanities Economics, Econometrics & Finance Environmental Science Mathematics Social Sciences Other

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ANALISIS KESULITAN MAHASISWA DALAM MENYELESAIKAN SOAL KALKULUS BERDASARKAN TAHAPAN PEMECAHAN MASALAH POLYA Novita Erni Hendrawati; Teguh Santoso; Mokh. Dedi Penta Putra
AL JABAR: Jurnal Pendidikan dan Pembelajaran Matematika Vol. 5 No. 3 (2026): Juli
Publisher : LPPM Institut Ahmad Dahlan Probolinggo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46773/tbj2j140

Abstract

This study aimed to analyze students’ difficulties in solving calculus problems based on Polya’s problem-solving stages. The study employed a qualitative approach with a descriptive research design. The participants consisted of 18 students of the Mathematics Education Study Program who had completed the Calculus course. Data were collected through written tests and interviews. Furthermore, three subjects were purposively selected for in-depth analysis based on variations in ability and characteristics of their responses. Data analysis was conducted using Polya’s problem-solving stages, namely understanding the problem, devising a plan, carrying out the plan, and looking back. The findings revealed that students experienced difficulties across all stages of problem solving with varying levels of occurrence. At the understanding stage, students encountered difficulties in identifying the concept of definite integrals. At the planning stage, students tended to apply procedures mechanically. The most dominant difficulties occurred in carrying out the plan and looking back, as indicated by errors in applying concepts, algebraic operations, and limited evaluation of the obtained solutions.  
Transformasi Energi Kampung: Teknologi Solar Panel untuk Rumah Tangga, Pertanian, Dan Kerajinan Lokal Papua Agar Meningkatkan Ekonomi Dan Industri Kreatif Masyarakat Asli Papua Kampung Duwin Teguh Santoso; Syahira Syahira; Wiska Baharuddin; Machmud Effendy; Untung Santoso; Yus Mochamad Cholily
Jurnal Penelitian dan Pengabdian Masyarakat Vol. 4 No. 3 (2026): August 2026 In Press
Publisher : Yayasan Pondok Pesantren Sunan Bonang Tuban

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61231/k56qn136

Abstract

This community service program aims to implement solar panel technology to support household electricity needs, local Papuan craft production, agricultural irrigation, corn processing into animal feed, and strengthening the marketing of Duwin Village community products. The activity used a pilot project approach combined with Participatory Rural Appraisal and Rapid Rural Appraisal. Participants consisted of 20 members of the craft group and 20 members of the agricultural group. Data were collected through observation, interviews, and pre-test and post-test questionnaires, then analyzed descriptively qualitatively and quantitatively. The results showed the strongest increase in the application of solar panels for household needs and craft production, with a score increase of 407 points or 92.7% and an average gain of 2.04. Social media training, product arrangement, understanding market trends, and the use of container booths increased the score by 446 points or 89.6%, with an average gain of 2.03. The implementation of solar water pumps and corn grinding machines increased the score by 349 points or 69.8%, with an average gain of 1.74.
Co-Authors Machmud Effendy Mokh. Dedi Penta Putra Novita Erni Hendrawati Syahira Syahira Untung Santoso Wiska Baharuddin Yus Mochamad Cholily