Calculadora de la Ley de Ohm & Fórmulas, developed by Carlos Olmo López, is a free Android application that allows users to calculate voltage, intensity, resistance, and electrical power in a simple and fast way. This application also displays the formulas used in the calculations if the user desires it.

The user interface of the application is straightforward and easy to use. It provides separate fields for voltage, intensity, and resistance, and the user can input any two values to calculate the third one. The electrical power value can also be calculated by entering any two values from voltage, intensity, and resistance.

In addition, the application displays the formulas used in the calculations, which is helpful for users who want to learn or understand the concept of electrical calculations. Overall, Calculadora de la Ley de Ohm & Fórmulas is a useful tool for students, professionals, and anyone who needs to calculate electrical values quickly and easily.