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All Journal Journal on Mathematics Education (JME) G-Tech : Jurnal Teknologi Terapan
Tika Septia
STKIP PGRI Sumatera Barat
Computer Science & IT Decision Sciences, Operations Research & Management Education Energy Engineering Mathematics

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IMPROVING STUDENTS SPATIAL REASONING WITH COURSE LAB Tika Septia; Rully Charitas Indra Prahmana; Pebrianto Pebrianto; Rahma Wahyu
Journal on Mathematics Education Vol 9, No 2 (2018)
Publisher : Department of Doctoral Program on Mathematics Education, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.9.2.3462.327-336

Abstract

Geometry flat side material is crucial subject for students in senior high school. As the development of technology that increases very rapidly, it provides a chance to develop Media Interactive Learning (MPI) such as Course Lab MPI 2.4. This study was conducted to create a valid interactive multimedia teaching material, practical, and effective. Since there are correlated between spatial reasoning and student learning achievements, the influence of Course lab on the improvement of spatial reasoning is also seen. Spatial reasoning has three aspects that are mental rotation, spatial orientation, and spatial visualization. This study is a development model consisting plomp as design composed of three phases. The results obtained through this research interactive multimedia teaching material course lab based on geometry flat side were valid, practical, and effective. Students’ test scores average changed at 25 with a standard deviation of 7.07. The test results statistically demonstrated the value which means there were some differences in the average score of the initial test and final test. Course lab also led to improving students’ spatial reasoning. The multimedia developed was effective in improving both student learning achievements and spatial reasoning.
LANGKAH-LANGKAH DALAM PENGEMBANGAN APLIKASI WEB Rahma Wahyu; Tika Septia
G-Tech: Jurnal Teknologi Terapan Vol 2 No 1 (2018): G-Tech, Vol. 2, No. 1, Oktober 2018
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.942 KB) | DOI: 10.33379/gtech.v2i1.330

Abstract

Web merupakan sarana pembagian informasi secara digital. Web merupakan salah satu media yang sangat mendukung kehidupan manusia terutama di era internet saat ini. Terdapat 9 tahapan yang utama dalam pembuatan web, akan tetapi terdapat hal-hal yang perlu diperhatikan. Sebagai salah satu sarana berbagi informasi, web diharuskan dapat memberikan pengalaman tertentu yang disesuaikan dengan kebutuhan pengguna atau konsumen. Web sangat membantu dalam pengenalan maupun pemasaran produk, jasa tertentu. Tujuan dari penulisan artikel ini adalah untuk mengenalkan pentingnya mengembangkan aplikasi web dalam membantu memenuhi kebutuhan manusia di era digital dan internet.
PENGGUNAAN ANALISIS DERET BERKALA DALAM MERAMALKAN KINERJA TURBIN Tika Septia; Rahma Wahyu
G-Tech: Jurnal Teknologi Terapan Vol 2 No 1 (2018): G-Tech, Vol. 2, No. 1, Oktober 2018
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (734.571 KB) | DOI: 10.33379/gtech.v2i1.331

Abstract

PT Mandau Cipta Tenaga Nusantara (MCTN) sebagai pemilik North Duri Cogeneration (NDC) Plant memiliki kontrak dengan PT Chevron Pacific Indonesia untuk menyediakan listrik dan steam (uap). Proses penghasilan listrik dan uap ini dilakukan dengan menggunakan turbin dan NDC Plant memiliki tiga buah Combustion Turbine (CT) yang masing-masing mempunyai kemampuan pembangkitan listrik (capability performance) 100 MW. Untuk tetap menjaga kemampuan pembangkitan listriknya berada pada titik maksimum, PT MCTN memerlukan ramalan tentang kemampuan pembangkitan listrik masing-masing turbin untuk beberapa waktu mendatang, sehingga segala gejala-gejala yang dapat menurunkan kemampuan kerja turbin dapat di minimalisir.
Co-Authors Pebrianto Pebrianto Rahma Wahyu Rully Charitas Indra Prahmana