The purposes of this research were to study of learning management  by using Photomath application of Mathayomsuksa I students 1) compare the learning achievement of a one variable linear equation  Pre and post  2) study the satisfaction of Mathayomsuksa I students, the student used in this study was Mathayomsuksa I, Mattayomwatnongchok School 120 students. The sample groups used in this study was obtained by randomly with 30 students. The tools used in this research were 1) one variable linear equation learning plan, 12 plans 2) an achievement test were 22 items into multiple-choice, 20 items and a subjective test of 2 items  3) the satisfaction questionnaire of Mathayomsuksa I students. The statistics were used by mean, standard deviation, and dependent sample t-test. The results of the research were as follows: 1) learning achievement after was significantly higher than pre-learning management at the .05 level  2) satisfaction of students overall satisfaction was at a high level.