Opamp Calculator is an Android application developed by android-design.nl that provides a comprehensive set of tools for electronic engineers, hobbyists, and students. The app is free to use and falls under the Business & Productivity category.

Opamp Calculator is a perfect tool for anyone who needs to perform complex calculations quickly and accurately. It offers a variety of features, including Inverting Amplifier, Non-inverting Amplifier, Differential Amplifier, Inverting Summing Amplifier, and Summing Amplifier. These features make it easy to calculate various parameters such as voltage gain, feedback resistor, input impedance, and output impedance.

The app has a simple and user-friendly interface, making it easy to navigate and use. It is an excellent tool for beginners who want to learn about op-amp circuits and for professionals who need a quick reference guide. Overall, Opamp Calculator is a must-have app for anyone working with op-amp circuits.