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All Journal Union: Jurnal Ilmiah Pendidikan Matematika JuTISI (Jurnal Teknik Informatika dan Sistem Informasi)
Bayu Bagus Riyandiarto
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Computer Science & IT Education Mathematics

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Pengembangan Media Pembelajaran PERMUTASI (Permainan Ular Tangga Berbasis Materi) Matematika SMP Kelas VIII Bryan Pudji Hartono; Bayu Bagus Riyandiarto
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 9 No 1 (2021)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v9i1.9195

Abstract

Innovative learning media is needed in order to attract students in learning mathematics. The purpose of this research was to develop and to know its feasibility a learning media of snakes and ladder games based on mathematical materials. The method was Research and Development (R&D). The development was carried out using a 4-D development model. After conducting teacher, student and literature analysis, researchers performed product which then reviewed and validated by material and evaluation experts. The results of product design assessments by experts has been qualified in the "excellent" criteria. After revised, design was produced and then given to the teacher to be tested to the students. The results of product assessments by teachers and students also stated that the product included in the "excellent" criteria. Based on that assessments, the product has been qualified in the "excellent" criteria which means that this product are deserves to be used as an innovation for further math learning.
Pengembangan Aplikasi Regresi Parameter Cuaca Berbasis Visual Basic For Application Bayu Bagus Riyandiarto; Nanda Noor Fadjrin
Jurnal Teknik Informatika dan Sistem Informasi Vol 6 No 3 (2020): JuTISI
Publisher : Maranatha University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jutisi.v6i3.3038

Abstract

Abstract — This research is the development of the Microsoft Excel VBA application to perform regression analysis between weather parameters in terms of data centering measures (PAMER11). The combination of parameters and data centering measures obtained 55 parameters that can be combined into 1,677,255,139,725 annual regression analysis outputs. The case study used in this study only calculates air humidity with temperature and air pressure observation variables, then the analysis results are compared with the results of the Excel Toolpak analysis data with the Anova. The development of this application method is carried out in 4 stages, namely: define, design, develop, adn dissemination. The defined stage includes analysis of the needs of researchers in the BMKG field, analysis coverage of the needs of BMKG in the form of regression analysis. The design stage includes format selection, application program selection, and initial design (prototype 1). The development stage includes validation (prototype 2) obtained a programming aspect value of 4.1325 valid criteria, comparison of Anova results from the output of the PAMER11 application and analysis of the Excel toolpak, the f-value is with a p-value of 99% which results in the two calculations are significantly equal, for the display aspect get a value of 4,8175 valid criteria, limited and field product trials (prototype 3), where a limited trial was carried out on all faculty lecturers getting a score of 4.2440 very good criteria. Field trials conducted on the BMKG Cilacap got a score of 4.8333 very good criteria and data analysis at each stage of development has been improved towards the application program. Keywords — Development; Microsoft Excel; Visual Basic for Application (VBA); Regression Analysis; Weather Parameters
Co-Authors Bryan Pudji Hartono Nanda Noor Fadjrin