PowerTransCalc is a free Android app developed by AlexRush that serves as a comprehensive calculation tool for electronics engineers. The app provides calculations for various electronic components, including transformers, converters, and regulators.

The app includes calculations for transformers with a gap for the flyback converter, pulse step-down and buck-boost converters, and the frequency of operation of the PWM controller UC3842Additionally, it provides calculations for the capacitance and inductance of the smoothing capacitor and choke, respectively. The app also includes calculations for linear regulators on-chip LM317, LM338, LM350 and power transformers forHz.

PowerTransCalc is a useful tool for electronics engineers who need quick and accurate calculations for their projects. The app is easy to use and provides accurate results. Overall, PowerTransCalc is a must-have app for any electronics engineer who needs a reliable calculation tool on their Android device.