A free app for Android, by android-design.nl.

Electronic toolbox for electronic engineers, hobbyists, and students. The app has a collection of useful formulas, equations, and calculations for making professional and interesting circuit designs.

This app is developed to be a simple and quick reference guide for those who want to learn how to design their own electronic circuits. There are also some useful equations and calculations for those who are interested in physics and the electrical system.

The most important thing in this app is that all the equations and formulas are easy to understand. This makes it a lot easier to learn how to design circuits. It is useful for those who are interested in engineering and designing electronic circuits.

This app is useful for anyone who wants to learn how to design electronic circuits. It is also useful for those who are interested in physics and the electrical system.