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All Journal Jambura Journal of Mathematics MEJ (Mathematics Education Journal) KUBIK: Jurnal Publikasi Ilmiah Matematika JURNAL LENTERA AKUNTANSI Assets : Jurnal Ilmiah Ilmu Akuntansi, Keuangan dan Pajak Polinomial : Jurnal Pendidikan Matematika Economics, Business, Management, & Accounting Journal Jurnal Pengabdian Masyarakat
Paiz Jalaludin
Universitas Darunnajah
Religion Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Mathematics Physics Social Sciences

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The Effect of Quran Memorization on Mathematical Understanding Ability with Pearson Correlation and Linear Regression Jalaludin, Paiz; Nuraini, Ani; Amigo, Royyan; Jahrani, Siti; Hamdi At-Taibi, Faisal
Mathematics Education Journal Vol. 8 No. 1 (2024): MEJ Vol 8 No.1
Publisher : Department of Mathematics Education University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/mej.v8i1.31994

Abstract

The benefit of memorizing the Quran trigger Islamic education mobilizers to integrate Quran memorization activities as one of the compulsory or extracurricular subjects in formal educational institutions.. This study aims to understand the relationship and influence of the Quran memorization index on students' mathematical abilities. The methods used to answer this problem are the Pearson correlation test and the simple linear regression test. Both statistical methods were rigorously reviewed in this study. The results of this study show that there is a significant relationship between the variable of the Quran memorization index and the mathematical understanding abilities of students at Pondok Pesantren Al-Hasanah Darunnajah 9 with a correlation coefficient of 0.428 which is included in the medium category. In addition, the results showed that there was a positive and significant influence between the Quran memorization index on students' mathematical abilities, where students' mathematical abilities were 18.3% influenced by the Quran memorization index, while the rest were influenced by other factors.
Pelatihan Media Pembelajaran Berbasis Geogebra Bagi Guru Matematika dan Ipa Jalaludin, Paiz; Krishna Prafidya Romantica; Alrafiful Rahman; Ani Nuraini
Bisma: Jurnal Pengabdian Masyarakat Vol. 1 No. 2 (2023): Jurnal Pengabdian Masyarakat (Bisma)
Publisher : Universitas Darunnajah, Jakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61159/bisma.v1i2.147

Abstract

Media pembelajaran berbasis teknologi merupakan salah satu hal yang penting dalam pembelajaran Matematika dan IPA di sekolah. Hal ini bertujuan untuk menciptakan suasana belajar yang menyenangkan, kreatif dan inovatif sehingga dapat meningkatkan motivasi dan hasil belajar siswa. Salah satu media pembelajaran Matematika dan IPA yang sering digunakan adalah aplikasi GeoGebra, yaitu aplikasi Matematika dalam kajian geometri dan aljabar. Namun data dan penelitian sebelumnya menunjukkan masih kurangnya penguasaan guru Matematika dan IPA dalam menggunakan software tersebut, khususnya di lokasi mitra pengabdian, yaitu di sekolah SD, SMP, dan SMA/MA Darunnajah, Jakarta. Oleh karena itu, pengabdi mengajukan untuk melaksanakan pengabdian dalam bentuk pelatihan pemanfaatan aplikasi GeoGebra bagi para guru sebagai solusi dari permasalahan tersebut. Kegiatan pengabdian tersebut berjalan dengan lancar, baik dari segi persiapan, pelaksanaan, maupun evaluasi. Hal ini ditunjukkan dengan hasil evaluasi dua arah antara pengabdi dan mitra pengabdian. Peserta mampu menjawab dan mempraktekkan secara langsung materi yang disampaikan pada sesi evaluasi. Selain itu, Berdasarkan jawaban kuesioner kepuasan/kesetujuan, secara kesuluran kepuasan peserta terhadap kegiatan yang dilaksanakan mencapai rata-rata yang cukup tinggi, yaitu mencapai 87,80%.
Pengenalan Standar Akuntansi di Indonesia bagi Siswa SMK Al-Hikmah Jakarta Selatan Jalaludin, Paiz; Romantica, Krishna Prafidya; Amigo, Royyan; Nuraini, Ani; Rahman, Alrafiful
Bisma: Jurnal Pengabdian Masyarakat Vol. 2 No. 1 (2024): Jurnal Pengabdian Masyarakat (Bisma)
Publisher : Universitas Darunnajah, Jakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61159/bisma.v2i1.267

Abstract

Kredibilitas dan keandalan laporan keuangan merupakan salah satu hal yang sangat penting karena berkaitan langsung dengan proses pengambilan keputusan. Untuk memastikan hal tersebut, laporan keuangan harus disusun sesuai dengan standar yang berlaku, agar terdapat konsistensi, relevansi, dan keseragaman sehingga dapat dibandingkan dengan laporan keuangan perusahaan lain. Oleh karena itu, diperlukan Standar Akuntansi Keuangan yang formal dan legal. Tulisan ini berisi laporan kegiatan pengabdian masyarakat yang bertema pengenalan standar akuntansi keuangan di Indonesia, yang dilaksanakan di SMK Al-Hikmah. Kegiatan ini bertujuan untuk memberikan wawasan tambahan kepada siswa tentang perkembangan standar akuntansi di Indonesia. Selain itu, kegiatan ini juga merupakan salah satu bentuk Tridharma Perguruan Tinggi yang dilaksanakan oleh Tim Pengabdi Program Studi Sains Aktuaria Universitas Darunnajah, Jakarta. Para peserta yang mengikuti kegiatan ini sangat antusias dan penuh semangat karena materi yang disampaikan relevan dengan jurusan yang mereka pelajari. Tingkat kesetujuan dan kepuasan peserta pada kegiatan pengabdian ini sangat tinggi, yaitu mencapai 87,60%.
Estimasi Nilai Proyek Bioteknologi dengan Metode Learning Options yang Dimodifikasi Jalaludin, Paiz; Romantica, Krishna Prafidya
Ebisma (Economics, Business, Management, & Accounting Journal) Vol. 3 No. 1 (2023): Economics, Business, Management, & Accounting Journal (Ebisma)
Publisher : Haka Vyza Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61083/ebisma.v3i1.30

Abstract

Industri bioteknologi memiliki peluang yang cukup besar pasca pandemi Covid-19, baik di dunia maupun di di Indonesia. Oleh karena itu, perlu adanya perhatian dari berbagai kalangan termasuk akademisi dan peneliti dari berbagai disiplin ilmu. Salah satu aspek industri bioteknologi yang perlu menjadi perhatian adalah ketersedian metode untuk mengestimasi proyek tersebut. Penelitan ini menawarkan metode learning options yang dimodifikasi, sebagai pengembangan dari metode learning options standar versi Guthrie untuk mengestimasi nilai proyek bioteknologi. Hasil dari penelitian ini menunjukkan bahwa metode learning options yang dimodifikasi dapat meningkatkan keakuratan estimasi nilai proyek bioteknologi.
Perhitungan Premi Murni Kendaraan Bermotor Menggunakan Generalized Linear Models Romantica, Krishna Prafidya; Paiz Jalaludin
Ebisma (Economics, Business, Management, & Accounting Journal) Vol. 3 No. 2 (2023): Economics, Business, Management, & Accounting Journal (Ebisma)
Publisher : Haka Vyza Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61083/ebisma.v3i2.31

Abstract

Insurance is a form of agreement between the insurer against the insured party (insurance company), where the insurer will pay a premium to the insured every month as a form of collateral for loss or damage that befalls him for certain events. Researchers took data by distributing questionnaires to respondents. Some covariate variables used in the study include: gender, vehicle age, vehicle insurance costs, vehicle use, vehicle mileage every year, and claims records in the last three years. Meanwhile, the dependent variable is frequency claim and claim severity. The researcher estimates the Generalized Linear Models (GLZ) parameters using the maximum likelihood estimation (MLE). The next step, researchers conducted a model compatibility test on the dependent variable using calculations on the Akaike Information Criteria (AIC), where the model chosen was the model with the lowest AIC value. Based on this, the researcher can determine covariate variables that affect the dependent variable and model it. The final step is the researcher calculates the probability of claim frequency, claim severity, and estimates the amount of pure premiums charged to respondents.
Implementasi Metode Fuzzy Black-Scholes Real Options Valuation pada Rencana Investasi Smelter Nikel Jalaludin, Paiz; Rahman, Alrafiful; Andirasdini, Indah Gumala
KUBIK Vol 8, No 2 (2023): KUBIK: Jurnal Publikasi Ilmiah Matematika
Publisher : Jurusan Matematika, Fakultas Sains dan Teknologi, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/kubik.v8i2.29738

Abstract

Indonesia is the largest nickel producing country in the world in 2022 by contributing 48.48% of the world's total nickel production. Therefore, the Indonesian government pays attention to the development of smelter companies by planning to build around 53 companies in 2024, and 56.60 percent of them are nickel smelters. The potential of the nickel smelter needs attention from various circles, especially academics from various disciplines. One that needs attention is the study of the method of evaluating the economic value of the investment plan in the nickel smelter company. The DCF method, although practical and widely used, still has a drawback, which is that it does not pay attention to the flexibility of managers' decision-making in the middle of the ongoing investment period. As a solution, the real options valuation (ROV) method provides flexibility features in making these decisions. Among the real options methods that are often used is the Black-Scholes formula which is considered the most rigid but more practical real options method. However, this problem can be overcome by implementing the fuzzy number method into the ROV method, making it more flexible. The results of this study show that the fuzzy Black-Scholes ROV method is a practical method, can calculate the risks and projects flexibility, and become a solution when initial information is less available about the characteristics of nickel smelter investment projects.
The Influence of Financial Ratios and Firm Size on Stock Return Romantica , Krishna Prafidya; Jalaludin, Paiz
Assets : Jurnal Ilmiah Ilmu Akuntansi, Keuangan dan Pajak Vol. 8 No. 1 (2024): Januari 2024
Publisher : Institut Teknologi dan Bisnis Widya Gama Lumajang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30741/assets.v8i1.1212

Abstract

Researchers analyze financial ratio data using a quantitative approach to determine the effect on the company's stock return. Researchers formulated four research hypotheses. The data will be modeled using the Panel Data Regression method with the help of E-Views 12 Student software. With purposive sampling techniques, researchers will use stock closing price data and financial statements from 9 Properties and Real Estate companies listed on the Indonesia Stock Exchange (period 2018 to 2022). With the chow test and lagrange multiplier test, researchers will model the data using a common effect model. The results showed that the ROA of der, CR, and FS, either simultaneously or partially, did not have a significant effect on stock returns. Based on signal theory, capital owners will receive bad signals from the company because the variables ROA, DER, CR, FS are considered unable to influence the company's stock return.
OPTIMASI PORTOFOLIO MEGGUNAKAN METODE MEAN VARIANCE EFFICIENT PORTFOLIO (MVEP) PADA SAHAM LQ45 Paiz Jalaludin; Royyan Amigo; Laelatul Maziyah Wildan Mufaridho; Ani Nuraini; Dewi Susanawati
JURNAL LENTERA AKUNTANSI Vol. 9 No. 2 (2024): JURNAL LENTERA AKUNTANSI, NOVEMBER 2024
Publisher : POLITEKNIK LP3I JAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34127/jrakt.v9i2.1398

Abstract

When investing, an investor will strive to maximize the expected return of investment and minimize risk. In stock portfolio investments, investors need the right strategy to determine the proportion of each stock in such a way that the resulting portfolio is an optimum portfolio. This research applies the Mean Variance Efficient Portfolio (MVEP) method as a portfolio optimization method for stocks in the Mining sector, Technology and Communication sector, and Consumer Goods sector indexed by LQ45. The stocks used as simulation data are GOTO, EXCL, ANTM, ITMG, and INDF. This study aims to find the optimum portfolio from a combination of several stocks by applying the MVEP method and calculating its risk level. The research results indicate that an optimum portfolio will be formed if the proportion for each stock is 1.94% for GOTO, 25.17% for EXCL, 2.39% for ANTM, 43.19% for ITMG, and 27.31% for INDF. With those proportions, the expected portfolio return is 0.0074% and the risk is 8.69%. The result is expected to serve as a basis for decision-making for investors when investing.
Using Real Options and Geometric Brownian Motion Methods to Evaluate Petroleum Projects in Indonesia Jalaludin, Paiz; Nuraini, Ani; Rahman, Alrafiful
Jambura Journal of Mathematics Vol 6, No 2: August 2024
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjom.v6i2.26718

Abstract

There are several methods for evaluating the value of a project. The most commonly used method is the Discounted Cash Flows (DCF) method which is more practical in its use. However, the DCF method still has several weaknesses, including not paying attention to the flexibility of the manager's decision-making when the project is carried out. The Real Options method enhances this by offering more flexible and varied models. This study uses Benninga's version of the binomial method to evaluate the value of petroleum projects with the characteristics of existing companies in Indonesia. In this study, oil prices are assumed to move following the Geometric Brownian Motion (GBM) model which is commonly used in modeling the movement of a fluctuating price. In addition, the author also modifies the binomial model by including expansion options, divestment options and a combination of both. The results of this study show that the more options that managers can choose in decision-making, the greater the opportunity for the company to optimize profits and minimize losses.
Eksplorasi Media Augmented Reality dalam Meningkatkan Hasil Belajar Siswa di SMA Al-Hasanah Pamulang Nuraini, Ani; Jalaludin, Paiz; Mufaridho, Lailatul Maziyah Wildan; Susanawati, Dewi
Polinomial : Jurnal Pendidikan Matematika Vol. 4 No. 1 (2025)
Publisher : Papanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/jp.v4i1.1491

Abstract

Penelitian ini bertujuan untuk mengeksplorasi pemanfaatan media Augmented Reality (AR) Melalui aplikasi GeoGebra 3D dalam meningkatkan hasil belajar pada materi Dimensi Tiga untuk siswa SMA Al-Hasanah Pamulang. Dimensi Tiga merupakan materi yang menuntut pemahaman konseptual dan visualisasi abstrak. Penelitian ini menggunakan metode eksperimen dengan desain one-grroup pre-test post-test. Populasi penelitian ini adalah seluruh siswa kelas XII IPA SMA Al-Hasanah Pamulang yang terdiri dari tiga kelas. Sampel penelitian diambil satu kelas menggunakan metode simple random sampling. Instrumen pengumpulan data berupa tes uraian sebelum dan sesudah perlakuan, kemudian dianalisis menggunakan uji paired t-test. Hasil analisis menunjukkan adanya peningkatan signifkan pada nilai rata-rata post-test (81,4) dibandingkan dengan pre-test (72,9), dengan p-value 0,000 (<0,05).  Pemanfaatan media Augmented Reality (AR) melalui aplikasi GeoGebra 3D dapat meningkatkan hasil belajar siswa pada materi dimensi tiga dengan mengubah konsep-konsep matematika yang bersifat abstrak menjadi objek interaktif dalam bentuk dimensi tiga (3D) yang lebih mudah dipahami.     
Co-Authors Alrafiful Rahman Amigo, Royyan Andirasdini, Indah Gumala Ani Nuraini Ani Nuraini Dewi Susanawati Hamdi At-Taibi, Faisal Jahrani, Siti Krishna Prafidya Romantica Laelatul Maziyah Wildan Mufaridho Lailatul Maziyah Wildan Mufaridho Rahman, Alrafiful Romantica , Krishna Prafidya Romantica, Krishna Prafidya Royyan Amigo Susanawati, Dewi