BE-A-BÁ da Elétrica is a comprehensive guide to electrical engineering for Android devices. It is a practical guide that provides quick access to information on various topics and manufacturers, summaries of standards, and automatic sizing tools. The app offers tools such as Copper Busbar Sizing, Wire and Cable Sizing, Electric Motor Data, and Electric Motor Starting.

The app is designed for both students and professionals in the electrical engineering field. Despite the name "BE-A-BÁ," which means "ABC" or "basics" in Portuguese, the content of this guide goes beyond the basics and covers concepts on how to properly and safely install and size electrical equipment. The app also includes summaries of standards.

Overall, BE-A-BÁ da Elétrica is a useful tool for anyone in the electrical engineering field, providing quick and easy access to important information and tools.