WolframAlpha calculates everything you can imagine. Use a wide collection of algorithms and data to compute answers and generate reports in mathematics, statistics, physics, chemistry, materials, engineering, astronomy and more.
Calculation functions are numerous; you can calculate everything you can imagine within the variants of mathematics, statistics, physics, mechanics, etc. It is also possible to obtain information on history, geology, and weather among other things
Access the application and simply write the function you want. The application will return the answer in detail.
Android 2.1 or higher.
Reliable data.
Uses a lot of battery life.