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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains DIKMAT: Jurnal Pendidikan Matematika
Yesi Arianti, Yesi
Unknown Affiliation
Engineering Mathematics

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Analisa Kelayakan Ekonomi Rumah Susun Sederhana Pekanabru Arianti, Yesi; Taufik, Hendra
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Flat-house is one solution to fulfill the requirement of houses.  It  will increase  with the increasing of human populations. The development of simple flat-house usually purposed for peoples with medium to low profit. Hire  price must be considering of willingness to pay and ability to pay of that peoples.  Purpose of this research is to investigate either proper or not the flat-house  project built based on economic analysis so that it would be resulted a recommendation to the related institution. Indicators of proper investment were NPV (Net Present Value), BCR (Benefit Cost Ratio), IRR (Internal Rate of Retrun), BEP (Break Even Point) and sensitivity analysis.  Calculation result of investment cost in this research which used method of approximate approach was Rp 22.315.717.450. The analysis result of proper investment for all parameter showed that the investment was proper to be continued because in the level of interest used was about 5,75% of proper investment, NPV value was positive, BCR value was above 1, IRR value was more than 5,75% (loading interest investment), and BEP was less than 25 years (project time).   Key words: Analysis of proper investment, analysis of sensitivity, BCR, BEP, IRR, NPV
EXPONENTIAL LEARNING TRAJECTORIES WITH THE CONTEXT OF WORM GROWTH TO SUPPORT STUDENTS’ PROBLEM-SOLVING ABILITIES Arianti, Yesi
Dikmat: Pendidikan Matematika Vol 6, No 02 (2025): Oktober 2025
Publisher : STKI Harapan Bima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56842/dikmat.v6i02.764

Abstract

This study aims to create a problem-solving-based learning path for exponential material using the context of worm growth and to determine the effectiveness of this problem-solving-based learning path for exponential material utilizing the context of worm growth. Exponential material is often considered difficult by students, so we must be able to create an interesting learning path to assist students in problem-solving, one of which is the PMRI approach. The worms' growth and reproduction process illustrates the exponential concept with an exponential regeneration and growth cycle. This study consists of four activities: (1) Understanding the problem, (2) Developing a plan, (3) Implementing the plan, and (4) Re-examining. The method used in this study is the design research method of the validation study type, which consists of three stages: preparation and design, design experiment, and retrospective analysis. Data collection techniques in this study used observation techniques, interviews, student work results, and pretests/posttests. The results of this study are learning paths designed to provide in-depth conceptual understanding for students and become solutions in problem-solving, especially in exponential material. Keyword:  exponential, learning trajectory, worm growth context, problem solving
Co-Authors Hendra Taufik