The purpose of the present study is to figure out the process of developing MathDroid application as a mathematics instructional medium to teach three-dimensional geometry. This Research and Development employed ADDIE development model, consisting of five phases including analysis, design, development, implementation, and evaluation. The validation of MathDroid application was done by an expert in three-dimensional geometry and an expert in instructional media. The research subjects were students at SMP Negeri 1 Babakancikao, Purwakarta, Jawa Barat. The research instruments were a mathematics test, questionnaires, and media validation sheets. The results revealed that, based on expert validation and limited testing, the developed MathDroid was considered very good and feasible and improved student achievement in mathematics and that students responded positively to it.
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机译：本研究的目的是弄清楚将Mathdroid应用程序发展为数学教学媒介以教授三维几何形状的过程。该研发采用了Addie Development模型，包括五个阶段，包括分析，设计，开发，实施和评估。 MathDroid应用程序的验证是由三维几何和教学媒体专家的专家完成的。研究科目是SMP Negeri 1 Babakancikao，Purwakarta，Jawa Barat的学生。研究仪器是数学测试，问卷和媒体验证表。结果表明，基于专家验证和有限的测试，发达的Mathdroid被认为是非常好的和可行的和改善数学的学生成就，并且学生对其作出积极反应。
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