Calculating voltage, current and resistance in electrical circuits is a skill that most high school students have to learn.
There are only a few rules, but it needs a lot of practicing to become familiar with complex circuits.
This program brings many exercises to help you to a high level of expertise in solving resistor circuits.
+ 4 main subjects: series and parallel, Ohm's law, power and energy, circuits
+ different levels: from very simple to extremely complex
+ scores are saved
Before buying this program you can try the simple free version: it's in the Google Play Store: Resistor Circuits Free.