The Ohm's law and Joule's first law calculator allows you to calculate resistance, voltage, current and power for two given values. You can simply insert two values like voltage and current and the app automatically calculates resistance and power via Ohm's law and Joule's first law.
What's new in Ohm's + Joule's law calculator 1.3
The last update killed the application for several locales - now you can use the number format usually used on your phone