Journal of Mathematics Technology and Education
ournal of Mathematics Technology and Education (JoMTE) is a peer-reviewed four times a year journal (March, June, September, and December) published by TALENTA Publisher and organized by Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara (USU) as an open access journal. It welcomes full research articles in the field of Mathematics and Applied Mathematics related to Mathematics Technology and Educational from the following subject area: Analytics, Operation Research, Statistics, Algebra, Differential Equations, Control Theory, Dynamics System, Mathematics Finance, Graph Theory, Combinatorial, and Mathematics Education.
Articles
10 Documents
Search results for
, issue
"Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education"
:
10 Documents
clear
<![CDATA[Gold Price Forecasting Using Autoregressive Integrated Moving Average (ARIMA) Method ]]>
<![CDATA[Ruth Elizabeth]]>;
<![CDATA[Sitorus , Syahriol]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (581.153 KB)
|
DOI: 10.32734/jomte.v1i1.6859
<![CDATA[Gold is one type of investment that is starting to be favored by many people. Every investment has risk, including gold investment. This risk of loss needs to be minimized to obtain maximum profit. So it takes proper planning and forecasting to invest in gold. This study aims to determine the best forecasting model for the price of 1 gram gold bullion produced by PT Aneka Tambang (ANTAM), using the ARIMA method. The data used in this study comes from historical data in 2016 to 2019 to predict gold prices in 2020-2021. Gold Price Forecasting using the ARIMA method produces ARIMA(1,1,0) with the model model . . With error values MAE= 94491.42, MAPE= 10.47776409, MSE= 12281027973, RMSE=110819.7996.]]>
<![CDATA[Optimization of Crude Palm Oil Distribution Costs in PT. Perkebunan Nusantara III Using Vogel's Approximation Method, Russel Approximation Method and Stepping Stone Method ]]>
<![CDATA[Nadya Pratiwi]]>;
<![CDATA[Siregar, Rosman]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (692.36 KB)
|
DOI: 10.32734/jomte.v1i1.6866
<![CDATA[PT. Perkebunan Nusantara III is an Indonesian State-Owned Enterprise engaged in oil palm and rubber plantations. The company is headquartered in Medan, North Sumatra. In general, the distribution process of CPO is one of the most important aspects to be planned, because it will greatly affect the overall cost efficiency of the project. The increase in project costs is often caused by a CPO distribution process that is not optimal. The method used to solve the distribution optimization problem is Vogel's Approximation Method and Russell's Approximation Method to determine the initial solution and optimization test using the Stepping Stone method. From the results of the calculation of the Vogel's Approximation Method method for the initial completion and continued by using the Stepping Stone Method is the method that gives optimal results. For the final settlement, a minimum fee of Rp. 34,417.014,501.]]>
<![CDATA[Application of Raw Material Inventory Control in Neko Neko Bakery and Cake With EOQ Method For Multi Item ]]>
<![CDATA[Fahira Mirza Putri]]>;
<![CDATA[Harahap, Agus Salim]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (628.892 KB)
|
DOI: 10.32734/jomte.v1i1.7271
<![CDATA[Inventory control is important action in calculating the optimal amount of the inventory level that required. The raw materials’ supply is the one factors in the production process. The lack of raw materials can make the production process gonna be hung up, otherwise the excess of raw materials can make increasing in storage cost and other costs, This research is the application of the Economic Order Quantity (EOQ) method. It used Lilliefors Normality Test to found the normality of the data. From the calculations from the EOQ method in this study found that the total cost of raw material supplies according to Neko Neko Bakery & Cake was amounted to Rp. 9.699.331,24. While from EOQ was amounted to Rp. 6.713.210,99. And using this method, the company can saving their cost to Rp. 2.986.120,25 from the Total Inventory Cost Calculation.]]>
<![CDATA[Implementation of Importance Performance Analysis to Analyze Customer Satisfaction in PT. Bank Tabungan Negara KCP Simalingkar Medan ]]>
<![CDATA[Lingga, Nia Astria]]>;
<![CDATA[Sembiring, Pasukat]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (589.206 KB)
|
DOI: 10.32734/jomte.v1i1.7334
<![CDATA[The method Importance Performance Analysis (IPA) aims to measure the relationship between consumer perceptions and priorities for improving the quality of services/products which is also known as quadrant analysis. In improving the quality of service to give satisfaction to the consumer the State Savings Bank Branch Office (KCP) Simalingkar Terrain require businesses to meet the expectations of customers, so that customers gain satisfaction with the services provided State Savings Bank KCP Simalingkar Medan. To find out how the level of customer satisfaction with service quality at the State Savings Bank KCP Simalingkar Medan, customer satisfaction was measured using the method Importance Performance Analysis (IPA). There are 25 valid attributes that are asked to customers who use the services of the State Savings Bank. The value of the highest level of service quality compliance is 98.53%, namely the security and confidentiality of customer data. The suitability value from the results of the comparison between performance and interest obtained an average value of 95.70% so that it can be concluded as a whole that the attribute is included in the appropriate category if the value of the level of conformity is close to 100% and is above the average, it can be said that the level of quality conformity The services of the State Savings Bank of KCP Simalingkar Medan are good.]]>
<![CDATA[Poisson Regression Modeling Case Study Dengue Fever in Medan City in 2019 ]]>
<![CDATA[Sinaga, Juhenni Putri]]>;
<![CDATA[Sinulingga, Ujian]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (628.486 KB)
|
DOI: 10.32734/jomte.v1i1.7500
<![CDATA[Dengue Hemorrhagic Fever (DHF) is an infectious disease caused by the dengue virus carried by the Aedes aegypti or Aedes albopictus mosquito which is spread in Southeast Asia. Medan City is one of the endemic areas for dengue fever in North Sumatra Province. This study aims to model the variable cases of dengue fever and determine the factors that have a significant effect on cases of dengue fever in the city of Medan. The method used in modeling the DHF case variable is the Poisson regression method with the response variable (Y) namely the number of DHF cases in Medan City, while the predictor variables are population density, number of health workers, number of health facilities, area height, and average waste production. In Poisson regression analysis, the response variable (Y) must meet the assumption of equidispersion. However, the assumption is often violated, namely overdispersion. Then Negative Binomial Regression was chosen as a non-linear model derived from the Poisson-gamma mixture distribution which is the application of the Generalized Linear Model (GLM) which describes the relationship between the response variable (Y) and the predictor variable (X).]]>
<![CDATA[Analysis of Transportation Method in Optimization of Distribution Cost Using Stepping Stone Method and Modified Distribution ]]>
<![CDATA[Annisa]]>;
<![CDATA[Mardiningsih]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (595.4 KB)
|
DOI: 10.32734/jomte.v1i1.7561
<![CDATA[This study aims to examine each method to show the characteristics, advantages and disadvantages of the transportation problem solving method. Vogel Approximation Method (VAM) is an initial solution method that is better than other methods and generally produces an initial solution that is close to the optimum result. In this study the Stepping Stone and Modified Distribution methods produce the same total cost. The main difference between these two methods is in the step of using the shortest path. The author concludes that the determination of the optimal method must be adapted to the conditions of the transportation problem to be solved. The meaning depends on the number of problem variables which will include the number of sources, the number of destinations and the time provided to solve the transportation problem.]]>
<![CDATA[Development of Project Based Learning Learning Model Assisted by Geogebra Software to Improve Students' Creative Thinking Ability at SMK N 1 Penanggalan ]]>
<![CDATA[Cibro, Basri]]>;
<![CDATA[Siregar, Hasratuddin]]>;
<![CDATA[Rambe, Isnaini Halimah]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (522.808 KB)
|
DOI: 10.32734/jomte.v1i1.7575
<![CDATA[Mathematics is one of the supporters of the development of science and technology. The low creative thinking of students is one of the causes of students' lack of interest in learning mathematics. The assumption for most students that mathematics is a very heavy and difficult subject, especially in solving Geometry Transformation problems. The purpose of this research is to improve students' creative thinking skills through the development of project-based learning models assisted by geogebra software and the effectiveness of these learning models. This development uses the ADDIE (Analysis, Design, Development, implementation and Evaluation) model. The trial was conducted in class XI TKJ SMK N 1 Penanggalan, Penanggalan District, Subulussalam City, Aceh Province. The results showed that in the first trial there were 12 students who completed with 60% and 8 students did not complete with 40% so that they could not meet the effective criteria. In the second trial there was an increase in creative thinking skills for students who completed as many as 18 students, 85.7% and students who did not complete as many as 3 students, 14.3%. So that the development carried out in the second trial showed an increase in students' creative thinking by 25.7%.]]>
<![CDATA[Development of Student Worksheets Based on Realistic Mathematics Learning Models to Improve Critical Thinking Skills for Class XI Vocational High School Students ]]>
<![CDATA[Depari, Deliana Mayang]]>;
<![CDATA[Syahlan]]>;
<![CDATA[Matondang, Asnawati]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (488.442 KB)
|
DOI: 10.32734/jomte.v1i1.7576
<![CDATA[This type of development research aims to determine the level of validity, effectiveness, and practicality of learning using Student Worksheets based on the Realistic Mathematics Learning model. This development uses the ADDIE development model that uses five stages: analysis, design, development, implementation, and Evaluation. The sample used is class XI SMK Private Mulia Medan. The results showed that the Student Worksheet, which was developed using the Realistic Mathematics Learning model, had a validity level of 4.6 with an outstanding category, the effectiveness level of the results of classical learning completeness in the first trial was 15% of the students completed while in the second trial. by 88% of students who completed. This shows an increase of 23% from the average critical thinking ability of students. Furthermore, the student response was very good with a percentage of 80%, and the practicality of the Student Worksheet obtained an average of 4.29 with a convenient category.]]>
<![CDATA[Development of Ethnomathematical-Based Student Worksheets for Gordang Sambilan Musical Instruments on Cone Slice Material for Class XI SMA Primbana Medan ]]>
<![CDATA[Nasution, Anggi Nadila Soraya]]>;
<![CDATA[Irawan, Bambang]]>;
<![CDATA[Rambe, Isnaini Halimah]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (591.96 KB)
|
DOI: 10.32734/jomte.v1i1.7577
<![CDATA[This study discusses the development of student worksheets based on the ethno mathematics of Gordang Sambilan musical instrument on the conic section material of class XI SMA Primbana Medan. This research is a development research that aims to determine the process of the development of the student worksheets based on the ethno mathematics of Gordang Sambilan musical instrument on the conic section material of class XI SMA Primbana Medan which is valid, practical, and effective. The research and the development model used in this study is the ADDIE model with 5 stages. The stages in the ADDIE model are: 1) Analysis; 2) Design; 3) Development; 4) Implementation; 5) Evaluation. The instrument used to measure the validity of the developed student worksheet was an assessment qustionnaire by two mathematics lecturers and one mathematics teacher, to measure the practicality of the instrument student worksheets which is used a student responses qustionnaire and to measure the effectiveness of the instrument student worksheets which is used a test of student learning outcomes after using student worksheets. The averages validity result for student worksheets is 4.36, which means that the developed student worksheets fulfill the valid criteria. The practicality based on the student responses questionnaires obtained an average score of 4.07, which means that the developed student worksheets fulfill the practical criteria. The effectiveness of the developed student worksheets based on the student learning outcomes test of class XI SMA Primbana Medan, the percentage of the completeness of the student learning outcomes test is 83.333% which means it is very effective.]]>
<![CDATA[Application of Six Sigma Method for Quality Control of Palm Kernel Oil Production In PT Socfin Indonesia ]]>
<![CDATA[Novita Sari]]>;
<![CDATA[Mardiningsih]]>
<![CDATA[ Journal of Mathematics Technology and Education Vol. 1 No. 1 (2021): Journal of Mathematics Technology and Education ]]>
Publisher : <![CDATA[Talenta Publisher ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (647.244 KB)
|
DOI: 10.32734/jomte.v1i1.7582
<![CDATA[Socfin Indonesia is an upstream plantation company with the main products are Crude Palm Oil (CPO), Palm Kernel Oil (PKO), and Karet Alam. The problems that encounter is still found a defective product where the quality of the products produced still not fulfilling the company's quality standards. The purpose of this study was to apply the Six Sigma method in quality control for reducing defects in palm kernel oil (PKO) production at PT. Socfin Indonesia. The company has the characteristics for quality of palm kernel oil (PKO) products that consist of water content, broken core levels and dirt content. Based on the data obtained, the percentage of disability was 31.73% while the company's tolerance limit was 30% for overall production. The method used was Six Sigma with the DMAIC procedure. Based on the results of the study, the company's DPMO value was 105,724 with a company sigma capability value of 2.7496. The ability to produce defective products was about 31.72%. The proposed for improving the quality product of palm kernel oil (PKO) with the Six Sigma method against the company by complying the Standard Operation Procedure (SOP) that has been made to avoid anythings that can interfere the production process.]]>
