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All Journal Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri Himpunan: Jurnal Ilmiah Mahasiswa Pendidikan Matematika
Putri, Nirmala
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Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics

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Analisis Pemecahan Masalah Bilangan Riil Terkait dengan Taksonomi Bloom pada Kelas IX Putri, Nirmala; Cahyani, Yosefhine Kenya; Putri, Rizqih Amanda; Hernaeny, Ul'fah
Himpunan: Jurnal Ilmiah Mahasiswa Pendidikan Matematika Vol 4, No 2 (2024): Himpunan: Jurnal Ilmiah Mahasiswa Pendidikan Matematika
Publisher : Universitas Indraprasta PGRI

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Abstract

Matematika adalah bidang ilmu yang menyelidiki bentuk, susunan, dan konsep yang terkait dengan menggunakan logika untuk menyelesaikannya. Studi ini menggunakan metode penarikan sampel secara acak, yang berarti semua siswa kelas IX memiliki kesempatan yang sama untuk menjadi sampel. Dalam penyelidikan ini kami membuat soal-soal tentang bilangan riil yang dikaitkan dengan Teori Polya dan juga Teori Taksonomi Bloom. Kedua teori tersebut memiliki kesamaan dalam implikasi pembelajaran. Seperti, siswa harus aktif terlibat proses pembelajaran. Diharapkan siswa mampu meningkatkan cara berfikir. Setelah itu, siswa dapat melakukan evaluasi pembelajaran. Oleh karena itu, pada penelitian ini diharapkan siswa kelas IX dapat menganalisa soal dan memahami konsep-konsep bilangan yang ada dalam matematika.
Analysis of Chlorine Inventory Using the Economic Order Quantity (EOQ) Method (Case Study of PT. Toya Indo Manunggal) Putri, Nirmala; Momon, Ade
JTI: Jurnal Teknik Industri Vol 10, No 1 (2024): JUNI 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i1.24733

Abstract

The purpose of this study was to determine the frequency of ordering chlorine for one year at PT. Toya Indo Manunggal using the Economic Order Quantity (EOQ) method, to determine the cost of chlorine supplies of PT. Toya Indo Manunggal with the Economic Order Quantity (EOQ) method, as well as to analyze the results of the application of the Economic Order Quantity (EOQ) method. The research method used in this study is the economic order quantity (EOQ) model. Data collection techniques are used to collect data according to research procedures so that the required data is obtained. The data used is secondary data in the form of literature studies, namely conducting literature research by reading and researching materials or theories related to chlorine supplies, and Economic Order Quantity (EOQ). The results showed that the frequency of ordering chlorine for one year at PT. Toya Indo Manunggal uses the Economic Order Quantity (EOQ) method of 112 chlorine cylinders per order with a total of 13 orders in one year, the distance between times reaches 20 days per order, and the company must provide security storage or Safety Stock of 142 chlorine cylinders with goods reorder activities when the inventory of the goods is 178 pcs. From data analysis, the total cost of inventory using the EOQ method is Rp. 940,802,000, while the total cost of inventory with orders above and below EOQ is Rp. 1,034,137,777 and Rp. 985,012,631, respectively. Every order for goods above or below the EOQ order will affect the cost of inventory, where the cost of inventory that occurs is greater than the cost of EOQ inventory. With the Economic Order Quantity (EOQ) method, companies can find out how many orders are economical for each inventory item and find out the frequency of orders during a period and when orders are made again, so that the demand for goods can be fulfilled optimally.
Co-Authors Cahyani, Yosefhine Kenya Hernaeny, Ul'fah Momon, Ade Putri, Rizqih Amanda