<![CDATA[Solution Calculator Application (SuCA) application is an open-access application designed to aid chemistry teachers in preparing chemical solutions for lab experiments. It calculates required amounts and provides preparation guidance, easing the burden on teachers, especially in Indonesian schools where lab technicians are often absent. The app features seven menus, including instructions, solution preparation from solids and liquids, dilution calculator, concentration conversion, preparing metals in ppm, and application information. Users can also modify the existing database. It was tested by 113 respondents, including teachers, lab technicians, and pre-service students, across five assessment aspects: content, applicability, design, technical, and usability. The app scored an average of 79.70% of excellence performance, indicating its effectiveness in assisting users in calculating and preparing chemical substances.]]>
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