cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Amalina
Contact Email
amalina@uinib.ac.id
Phone
+6285669130373
Journal Mail Official
amalina@uinib.ac.id
Editorial Address
Program Studi Matematika Fakultas Sains dan Teknologi UIN Imam Bonjol Padang Kampus III Jl. Sungai Bangek Kelurahan Balai Gadang Kecamatan Koto Tangah Kota Padang
Location
Kota padang,
Sumatera barat
INDONESIA
Journal of Science and Technology
Published by Universitas Islam Negeri Imam Bonjol Padang
ISSN : 27982696     EISSN : 27980057     DOI : 10.15548
Core Subject : Science, Education,
Computer Science & IT Mathematics
JOSTECH focuses on the dissemination of scientific research in the field of Sains and Technology. We invite researchers, academics, practitioners to join us, submitting your original manuscripts. The JOSTECH encourages submission of the manuscript dealing with all sciences and technology aspects, but not limited to Mathematics and Information Technology
Arjuna Subject : Matematika - Matematika Komputer
Articles 10 Documents
 1 
Search results for , issue "Vol 1, No 1: Maret 2021" : 10 Documents clear
Pemodelan Laju Perubahan Nilai Tukar Rupiah (IDR) terhadap Dolar Amerika (USD) dengan Metode Markov Switching Autoregressive (MSAR) Yurinanda, Sherli; Putri, Darvi Mailisa
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (340.907 KB) | DOI: 10.15548/jostech.v1i1.2438

Abstract

This study aims to determine the modeling of the exchange rate change rate of the Rupiah (IDR) against the US dollar (USD) using the Markov Switching Autoregressive (MSAR) method. The research data is sourced from secondary data through website investing to see the Rupiah exchange rate against the US dollar with a time span from January to December 2020. The results show that the best model obtained is MS(2)AR(3) with parameters = 0.031119 and = -0.000504, where when state = 1, the average rate of change in the rupiah exchange rate against the US dollar is 0.031119 per day, while when state = 2 the average rate of change in the rupiah exchange rate against the US dollar is -0.000504 per day. 
Keekivalenan Presentasi Grup 〈x,y|y^(-1) xyx,x^(-1) yxy〉 dan 〈x,y|〖x^4,x〗^2 y^(-2),x^(-1) yxy〉 menggunakan Transformasi Tietze Mardianto, Dedi
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (194.033 KB) | DOI: 10.15548/jostech.v1i1.2369

Abstract

Pada penelitian ini membahas tentang transformasi untuk dua presentasi grup berbeda yang mendefinisikan grup yang sama. Diberikan dua presentasi grup  dan . Ditunjukkan bahwa  dan adalah ekivalen atau isomorpis. Untuk menunjukan ini di gunakan transformasi tietze.
Kestasioneran Kurs Dolar Amerika dan Harga Saham Pada Masa Pandemi Covid 19 Tahun 2020 Rahimullaily, Rahimullaily; Amalina, Amalina
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (351.038 KB) | DOI: 10.15548/jostech.v1i1.2439

Abstract

This study aims to determine the stationarity of the US dollar exchange rate and stock prices during the Covid 19 pandemic. One of the interesting stocks to study is the stock price of PT Telecommunications Indonesia Tbk. The augmented Dickey-Fuller test was used to determine the stationarity of the two variables. The research data is sourced from secondary data through the official website of Bank Indonesia to view the US Dollar Exchange Rate and through the website investing to see the stock price of PT. Telekomunikasi Indonesia Tbk during the Covid 19 pandemic period in Indonesia occurred from March to December 2020. The results showed that the check of the stationary stock price of PT. Telekomunikasi Indonesia Tbk and the US Dollar exchange rate at level I (0) was not stationary. While the two variables are stationary in the first differencing conditions I (1).
Sistem Informasi Pendataan Pelanggaran Peraturan Daerah Pada Satuan Polisi Pamong Praja Kota Padang Putri, Nency Extise; Elizamiharti, Elizamiharti; Arman, Arman
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (639.119 KB) | DOI: 10.15548/jostech.v1i1.2441

Abstract

The Civil Service Police Unit (Satpol PP) of Padang City is a supporting element of the Padang City Government's task in securing and implementing City Government policies that are specific in the field of peace and public order. So many data on violations are handled and the manual data collection of violations results in not yet optimal management of data on violations of Regional Regulations (Perda), so we need an information system for collecting data on violations of regulations. The method of development in the preparation of this study in library research, field research, laboratory research and System Development Life Cycle (SDLC). The author's program implementation uses PHP programming language with MySQL Server database. With the implementation of the information system on collecting data on local violations in Padang City Satpol PP, it is hoped that it will simplify and speed up the management of regulations on local regulations, so that service to the community is better. 
Ekspektasi Maksimum Percentage Drawdown pada data Saham PT. Mayora Tbk dengan simulasi Monte Carlo Lilis Harianti Hasibuan; Rani Kurnia Putri
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (498.244 KB) | DOI: 10.15548/jostech.v1i1.2440

Abstract

A drawdown is a tool for defining trading strategies for commodities, stocks, and investments. This analysis is one way of monitoring the decline in asset value over a certain period of time. This journal will discuss PT.MayoraTbk stock trading strategy. By analyzing the observed drawdown in the specified time period. The drawdown analysis here uses the feedback control on PT.MayoraTbk stock trading is assumed to follow the geometric Brownian motion. The data obtained is tested whether the data meets Brown's motion assumptions. Then the maximum drawdown expectation is determined at the selected time interval. An estimate is carried out for the maximum expected drawdown percentage of the share value. To test the validity of the estimation results, a Monte Carlo simulation is carried out. Monte Carlo simulation with the term Sampling Simulation or Monte Carlo Sampling Technique. This simulation sampling illustrates the possible use of sample data using the Monte Carlo method and also the distribution can be known or estimated. This simulation uses existing data (historical data) that is actually used in a simulation that includes inventory or sampling with a known and determined probability distribution, so this Monte Carlo simulation can be used. The basic idea of this Monte Carlo simulation is to generate or generate a value to form a model of the variables and study it.
Perancangan Sistem Informasi Administrasi di Satuan Pendidikan Anak Usia Dini Warmansyah, Jhoni; Maulana, Ade Novia
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (535.425 KB) | DOI: 10.15548/jostech.v1i1.2425

Abstract

The administration that is still manual in archiving is one of the problems that is often encountered in PAUD Units. Therefore we need an alternative that can overcome these problems by utilizing information systems. This study aims to design an administrative information system in early childhood education. The method used is Educational Design Research (EDR) limited to a design model with stages; 1) Preliminary research; 2) Prototyping stage; 3) Assessment phase. This research produces an administrative information system design that can be used by PAUD units to process data and present SPP financial reports that are more practical and accurate. Thus the use of information systems in other areas of management can be a concern for managers in Kindergarten.
Pembuktian Ketegaklurusan Garis terhadap Bidang pada Kubus dan Balok Abstrak Fitri, Yuliani; Yudhi, Prima
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.212 KB) | DOI: 10.15548/jostech.v1i1.2434

Abstract

Geometry is a compulsory course conducted in mathematics department at university level. In mathematics syllabus, geometry is divided into two dimensional and three dimensional figures. Two dimensional geometry focuses on points, lines, dimension, and angle. Meanwhile, three dimensional geometry focuses on three dimensional figures consisting of some two dimensional figures such as cubes, beams, prisms, pyramids, extra. In this article, geometry aspects are focused on line perpendicularity to dimension in cubes and beams because connectivity between line perpendicularity and dimension is, generally, found on cubes and beams. Hopefully, by proving theorem of line perpendicularity, it can be useful in understanding the characteristics of cubes and beams.
Sistem Informasi Hasil Tani Nagari Lolo Berbasis Web Turaina, Rifa; Defiariany, Defiariany; Azha, Silvia Netri
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (493.845 KB) | DOI: 10.15548/jostech.v1i1.2416

Abstract

Farmer Product Information System in Nagari Lolo Pantai Cermin District Solok Regency is a web-based system that is used to manage and at the same time organize farmer data, farm products in Nagari Lolo Pantai Cermin District Solok Regency. The information system is created using the programming language Framework Codeigniter, PHP and MYSQL by using object-oriented methods that aid system development, namely Unified Modeling Language (UML). At this time the data of farmers, crop yields, crops are still managed with the help of Microsoft Excel and Microsoft Word, in the delivery of information still by going directly to the field and contacting each jorong. With the web-based information system of agricultural products, the information about agricultural products, as well as information on the nagari is more effective and the data storage of farmers and farm results is stored in a database.
Efektivitas Penggunaan Teknologi Informasi dalam Pembelajaran Daring pada Masa Covid-19 Zulhendri, Zulhendri; Yunita, Rika Gusri; Hayeni, Fitri
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (301.57 KB) | DOI: 10.15548/jostech.v1i1.2429

Abstract

This study aims to find out how to describe the effectiveness of the use of information technology in online learning during the Covid-19 period at SDN 04 Koto Tuo Sulit Air. This research is descriptive quantitative research. The population in this study were all students of SDN 04 Kototuo Sulit Air in the 2020/2021 school year. The data was collected by distributing questionnaires online to 57 students who became respondents consisting of 18 grade IV students, 19 class V students and 20 grade VI students. The results illustrate that 1) As many as 89.47% of students stated that the use of information technology was effective in online learning, while 10.52% of students stated that the use of information technology was not effective in online learning, 2) Students stated that the most effective platform in learning online is WhatsApp at 50.88%, 3) Students state that the least effective platform in online learning is the zoom meeting of 47.37%
Aplikasi Jaring Amal Sebagai Media Promosi Bagi Penyandang Difabel Darwas, Rahmadini; Putri, Yessy Prima; Alfawwazy, Dzaky
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (387.382 KB) | DOI: 10.15548/jostech.v1i1.2427

Abstract

Having physical limitations is not a barrier for people with diffable to continue working and produce creative work and be able to contribute to society. The creative work has not been maximally introduced to the community, only through word of mouth promotion of the surrounding community. This study aims to promote the work of people with diffable so that it is more valuable. The method used in software development in this study is the wa-terfall method, while the tools used in the design of this application are unified modeling language and this application is built using a web-based programming language. This re-search results in an online shopping application while doing charity (net of charity) that makes it easy to do promotions and transactions for people based on humanity

Page 1 of 1 | Total Record : 10

 1 

Filter by Year

2021 2021


Reset
Filter By Issues
All Issue Vol 3, No 2: September 2023 Vol 3, No 1: Maret 2023 Vol 2, No 2: September 2022 Vol 2, No 1: Maret 2022 Vol 1, No 2: September 2021 Vol 1, No 1: Maret 2021