Marbel Rumus Fisika SMP is a comprehensive reference for physics formulas for junior high school students. It is an Android application created by Educa Studio and is free to use.

The application contains a wide range of formulas, including those related to quantities, substances, temperature, expansion, heat, motion, force, Newton's laws, pressure, energy, simple machines, vibration and waves, sound, light, lenses, electricity, magnets, solar systems, and others. The formulas are presented in an easy-to-understand format, making them accessible to students who are just starting to learn physics.

Overall, Marbel Rumus Fisika SMP is an excellent resource for junior high school students who need a quick and easy reference for physics formulas.