Calculadora De Funciones is a free Android application developed by Pedro Umiri, falling under the Education & Reference category. The app is a useful tool for anyone who needs to calculate the roots of linear and quadratic functions, as well as the value a function takes for a certain value of "x".

The app is user-friendly and easy to navigate, with a clean and simple interface. It allows the user to input the coefficients of the function and calculates the roots and values quickly and accurately. The app also provides step-by-step solutions for the calculations, making it an excellent educational tool for students learning about linear and quadratic functions.

Overall, Calculadora De Funciones is a great app for anyone who needs to calculate linear and quadratic functions quickly and accurately. It is user-friendly and educational, making it an excellent choice for students and professionals alike.