1. applications to learn math, grade 2 on the Android operating system, is divided into three stories, including a measure to weigh and measure along with practice and games to learn. 2. quality assessment of the application of learning mathematics. Grade 2 On the Android operating system, developed by the experts assess you application image. It was found that the overview of the application is good. The average value is equal to 4.38. 3. the assessment of user satisfaction with the continued application of learning mathematics. Grade 2 on the Android operating system, by the student, grade 2 school, city, wapi pathum, from a sample of 30 people to assess satisfaction. It was found that an overview of satisfaction levels of applications. With equal average 4.43 Conclude that the application of learning mathematics Grade 2 on the Android operating system. Can be used appropriately.
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