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All Journal JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI MUST: Journal of Mathematics Education, Science and Technology Journal on Education SOSCIED MARISEKOLA: Jurnal Matematika Riset Edukasi dan Kolaborasi Sehat Rakyat: Jurnal Kesehatan Masyarakat Malcom: Indonesian Journal of Machine Learning and Computer Science Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences
Anggriani, Nita
Universitas Negeri Manado
Computer Science & IT Dentistry Education Environmental Science Health Professions Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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Journal : soscied

 1 
DEVELOPMENT OF POWERPOINT-BASED LEARNING MEDIA ON THE MATERIAL OF SYSTEM OF TWO VARIABLE LINEAR EQUATIONS MASHITA NO'E, NURSHIAH RAMONA; Salajang, Santje; Anggriani, Nita
SOSCIED Vol 8 No 1 (2025): SOSCIED - Juli 2025
Publisher : LPPM Politeknik Saint Paul Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32531/jsoscied.v8i1.943

Abstract

The lack of utilization of teaching materials that can attract students' attention is one of the problems in mathematics education that has been identified from various sources. The aim of this study is to create a valid, practical, and effective learning resource based on PowerPoint for eighth-grade students at MTs Nurul Yaqin Tondano. This study is a research and development (R&D) type that uses the 4-D development approach (Define, Design, Develop, and Disseminate). Evaluation by expert validators resulted in a very valid score of 91.33. Based on the responses from teachers and students, the practicality scores were 98 and 87.93, respectively, and were classified as very good. With a classical graduation rate of 81%, the created PowerPoint has met the effective criteria. In summary, the created PowerPoint is valid, practical, and effective for learning.
PENERAPAN PROGRAM LINEAR SEBAGAI STRATEGI EFISIENSI PRODUKSI PADA USAHA MARTABAK TRADISIONAL RITEY Nita Anggriani; Syeren Kowaas; Asmita Masloman; Rygel Angkaa N. Marthing; Maria G. H Wehantow; Julyan Davino A. Salarupa; Imanuek G Kalaena
SOSCIED Vol 9 No 1 (2026): SOSCIED - Juli 2026
Publisher : LPPM Politeknik Saint Paul Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32531/qx13ef27

Abstract

This study aims to determine the most profitable production combination for the traditional martabak business in Ritey Village by utilizing the simplex method as an analytical tool. The business faces constraints related to raw materials, capital, and production time, which directly affect the number and types of martabak produced daily. Using a descriptive quantitative approach, real data were collected through field observation and interviews, including production time, raw material usage, production costs, and net profit for the three types of martabak produced. These data were then formulated into a linear programming model to maximize profit. The results show that the optimal production combination is achieved at , , and , yielding a maximum daily profit of Rp240,000. The findings reveal a clear difference between the intuitive production decisions previously made by the business owner and the optimal strategy generated through mathematical analysis. This study demonstrates that the simplex method can serve as an effective and practical strategy for small-scale traditional culinary enterprises to enhance production efficiency without altering the product’s traditional characteristics and flavor.
Optimalisasi keuntungan maksimal UMKM "Alpukat Kocok Sasya" dengan menggunakan metode simpleks (Linear Programming) Nita Anggriani; Afrilia Lumintang; Angelita Claudia B Adilang; Aprilia Pangemanan Montolalu Jehosua; Fabio Sevcenko Lolowang; Mouren F Pangemanan; Patricia Putri Pinatik
SOSCIED Vol 9 No 1 (2026): SOSCIED - Juli 2026
Publisher : LPPM Politeknik Saint Paul Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32531/54bbje08

Abstract

  Sasya Avocado Shake UMKM face obstacles in determining the most efficient production combination due to limitations in daily raw materials such as avocados, sweetened condensed milk, liquid milk, glasses, Milo, and cheese. This study aims to formulate a Linear Programming model and determine the optimal solution using the simplex method to obtain maximum profit. A quantitative approach is used through operations research techniques, with data collection in the form of raw material requirements, production costs, selling prices, and production capacity for each variant. The mathematical model was constructed with three decision variables, namely the production of the original variant, cheese, and Milo, accompanied by an objective function to maximize profit and constraints in accordance with the limitations of raw material availability. Manual calculations and the Simplex Calculator application showed that the optimal production combination was to prioritize the original and Milo variants, while the cheese variant was not produced because its profit margin was low and the use of raw materials was more expensive. These findings prove that the simplex method is effective in helping MSMEs allocate resources and encourage production to focus on variants with the highest profits. Linear programming models can be a strategic tool for MSMEs to improve operational efficiency and profits in a sustainable manner.
Co-Authors Afrilia Lumintang Aisyiah Restutiningsih Putri Utami Angelita Claudia B Adilang Angmalisang, Helen Y. Aprilia Pangemanan Montolalu Jehosua Asmita Masloman Ayudhita Cahyani Daud Daud, Ayudhita Cahyani Ermita Ermita Ermita Ermita Fabio Sevcenko Lolowang Hadju, Trilaila Harrychoon Angmalisang Hartati Umabaihi Helen Yuliana Angmalisang Ichdar Domu Imanuek G Kalaena Jhon R Wenas Julyan Davino A. Salarupa Kasbawati Kasbawati Lilis Handayani Maria G. H Wehantow MASHITA NO'E, NURSHIAH RAMONA Miftahul Jannah Miftahul Jannah Mouren F Pangemanan Muhammad Isbar Pratama Patricia Putri Pinatik Rosauli Novalina Samosir Rygel Angkaa N. Marthing Samosir, Rosauli N. Santje M. Salajang Syamsuddin Toaha Syeren Kowaas Yepta Juan Fiali Launde