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All Journal Indonesian Journal of Science and Mathematics Education Desimal: Jurnal Matematika
Simatupang, Adolf T
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Education Mathematics Social Sciences

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Sparkol Learning Media: Is it Effective to Improve Students’ Mathematical Understanding? Yani, Meri; Shahril, Sulthan; Putra, Rizki Wahyu Yunian; Simatupang, Adolf T
Indonesian Journal of Science and Mathematics Education Vol. 3 No. 3 (2020): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v3i3.5240

Abstract

The aims of this study are to find out the view of the validator on learning Sparkol media, to find out the students’ views on learning the Sparkol media, to know the effectiveness of learning by using Sparkol learning media. This research and development used the ADDIE research model. Media development based on Sparkol Videoscribe using Research and Development with Addie model which has 5 stages: Analysis, Design, Development, Implementation, and Evaluation. Student responses to the feasibility of learning media with Sparkol show that this media is feasible and attractive to students. The effectiveness of learning using Sparkol Videoscribe-based mathematics learning media was tested in the range , this result shows that the category is quite effective.
Program Linier Parametrik Simatupang, Adolf T
Desimal: Jurnal Matematika Vol. 2 No. 1 (2019): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v2i1.4184

Abstract

This study aims to discuss a linear program problem where its constants can change, If a constant for a linear program problem is changed, then we don't need to count from the beginning again. Next, we will examine the properties of the objective function as a result of changes in these constants. In this discussion determine the non-negative "critical value" which provides the optimal solution to the problem of parametric linear programs. Searching for critical values in parametric linear programs is done by the matrix version method.
Co-Authors Rizki Wahyu Yunian Putra Shahril, Sulthan Yani, Meri