number days vs Calculator: All In One Usage & Stats

This is the App that you need: all calculations in one App !!!! In this App are gathered all the applications that you need to perform almost any calculation: 33 different functions: Numeric Calculators: - 4 Scientific (different functions, buttons sizes, colors, etc ..) - Chemicals - Functional - Conversion numerical systems (comprehensive) - Complex numbers - Random series generator - Prime Numbers Timers - Timer Up&Down - Pomodoro - Countdown - Milliseconds Timer - Sphere Clock - World Clock Health Related Calculators: - Optimal calories you need - Body Mass Index - Analysis of alchool in your body after taking a few drinks - Calories burned after running - Analysis of the composition of the salads that you take Calculators and Unit Conversion Physical: - Unit Converter. (comprehensive) - Temperature Converter - Calculation of the wind chill - 2 Periodic Tables - Resistor Calculator Calculators Dates: - Perpetual calendar (Julian and Gregorian) - Difference between dates - Zodiac sign and Chinese year - Your exact age - Your age in years doggy Other Calculators - Payment of loans and mortgages - Mathematical competition (Great for kids) - Compatibility test for couples - Current population of the earth - Fractal generator Now you do not need a lot of applications to perform different calculations. Almost everything you need calculate is in this App!!!! No Wi-Fi connection needed. Built-in data. The app is completely free. Donation to improve and mantein the app will be welcome. Thanks.