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Many researchers, including lecturers, teachers, students, and the general public, have adopted apps to help them write articles. Students are currently expected to produce scientific articles published in accredited journals or respected international journals as part of their final assignment. However, from the observations of the service team, there are several problems faced by the service partners, especially MPI students. They have difficulty preparing scientific article manuscripts and are less familiar with applications that can speed up the preparation process. To overcome this, the service was carried out through lecture, discussion, and mentoring methods using service-learning, which involved pre-implementation, implementation, and post-implementation stages. The results of this service showed that the training provided participants with understanding and knowledge about using the Perplexity application as a tool to speed up the preparation of articles and paraphrasing to avoid plagiarism. This is evident from the comparison of the participants' pre-test and post-test results before and after the training.  

Early childhood plays an important role in forming the basis of development, which involves stimulation of various aspects such as moral religious values, social emotional, language, cognitive, and physical motor skills. The concept of early childhood learning is focused on play, where every activity is designed to be play, so that learning becomes more effective. Parents also need to understand today's children's education to interact with children positively. This research focuses on sentiment analysis of children's education-based app reviews on the Google Play Store, using Random Forest and Logistic Regression methods. The review data is taken from three apps with the theme of child development, namely "About Kids", "PrimaKu", and "Teman Bumil", with a range of review years between 2018 and 2023. The test results show that Logistic Regression has higher accuracy compared to Random Forest, especially in the "About Kids" and "PrimaKu" applications with accuracy above 90%. The conclusion of this research highlights the importance of sentiment analysis in improving understanding of user responses to children's education applications, with suggestions for future research to increase the number of datasets and variations in testing schemes by tuning hyperparameters to improve prediction accuracy and more optimal results.

One of the media used by PAI teachers at SDN Pakan Labuh 03 is Student Worksheets (LKPD) in learning, especially in Islamic Religious Education lessons. The teacher only gives an explanation of the material then practices the prayer movement directly, then evaluates it. This teaching method is considered inappropriate, because there are still many students who have difficulty understanding the concept of good and correct movement according to Islamic law. The existence of the development of LKPD into e-LKPD that supports the learning of Islamic Religious Education prayer practice materials with the aim of this research is to produce valid, practical, and effective e-LKPD to train students' prayer movements (psychomotor) according to Islamic law on prayer practice material.This research is a development research which has 4 stages, namely: define stage, design stage and develop stage, socialization stage. The research instrument uses product tests, namely: product validity test, product practicality test, and product effectiveness test. The E-LKPD was validated by three validators, namely one media lecturer, one PAI lecturer, and one PAI teacher. At the practicality stage, e-LKPD as a learning resource for prayer practices was tested on fifth grade students at SD Negeri 03 Pakan Labuh.The results of this study are E-LKPD with the support of Liveworksheet and Canva Apps get a final validation value of 0.84, a final practicality value of 0.85 and a final effectiveness value of 0.86. It can be concluded that the development of E-LKPD as a Learning Resource for Prayer Practices at SD Negeri 03 Pakan Labuh is very valid, very practical and very effective to use. E-LKPD can increase teacher creativity, so that ELKPD will look interactive, fun and attract students' learning interest. Interactive E-LKPD is synonymous with sheets in the form of student practice questions done through digital media that meet standards, are practical, and are easily accessible.

Education is the main foundation in community development and human resource development. In the context of higher education, the quality of the learning process and lecture management greatly affects student success. One aspect that has a significant impact on the learning process is student attendance management. Traditionally, recording student attendance is done manually by using a physical attendance list that must be filled in by students and signed by lecturers. Although it has been used for a long time, this method has a number of limitations that need to be overcome. In the rapidly evolving digital era, we have access to technology that can simplify and improve student attendance management. The use of information technology can provide a more efficient, accurate, and practical solution in recording student attendance. The app was developed using MIT App Inventor, a platform that makes it easy for users to create Android apps without in-depth programming knowledge.  

This research shows that the use of diverse learning resources in mathematics teaching improves student understanding. Textbooks, visual materials, math apps and math manipulatives help students with different learning styles. Internet-based and diverse learning resources also increase students' interest in mathematics and relate it to everyday life. The literature review method was used to reorganize, analyze, and synthesize existing literature rather than to collect primary data through experiments or surveys. These results emphasize the importance of mathematics teaching approaches that utilize diverse and intelligent learning resources. Teachers need to keep abreast of educational innovations and technologies to ensure effective and relevant mathematics education for students. This research provides a solid foundation for the improvement of mathematics teaching in schools and better understanding by students.

This research was conducted with the aim of producing digital learning media using the Smart Apps Creator through a Realistic Mathematics Education approach that is valid, effective, and able to improve students' mathematical problem solving abilities in the matter of a system of two-variable linear equations. This type of research is Research and Development (R&D) with the ADDIE model. From the research results, it was obtained that the media and material validity values were 93.6% and 93% with very valid categories. The practicality of the media through the results of the teacher's response questionnaire obtained a practicality value of 97.3% in the very practical category and the results of the student response questionnaire for the small group test and large group test obtained values of 90.9% and 91.4% in the very practical category. Then the value of effectiveness is seen through the mastery of classical learning and the results of the student response questionnaire obtained percentages of 87.5% and 94.05% with very effective categories. Improving problem solving abilities in students, the results obtained are that the level of students' problem solving abilities is at a percentage of 92% with a very high category, while based on the N-Gain test the average value obtained by students is 0.6473 which means there is an increase in problem solving abilities in students medium category. So based on the results obtained it can be concluded that the learning media developed in this study are valid, practical, effective, and able to improve students' mathematical problem solving abilities.

Mobile learning apps have gained popularity as an educational tool for children, offering an interactive and engaging approach to learning. This paper explores the influence of mobile learning apps on children's cognitive development, focusing on skills such as memory, problem-solving, and attention. The study reviews several mobile learning applications used in early childhood education and assesses their effectiveness in fostering cognitive growth and skill development.  

Mobile learning apps have gained popularity as an educational tool for children, offering an interactive and engaging approach to learning. This paper explores the influence of mobile learning apps on children's cognitive development, focusing on skills such as memory, problem-solving, and attention. The study reviews several mobile learning applications used in early childhood education and assesses their effectiveness in fostering cognitive growth and skill development.