Tiny calculation is a calculator app. It performs various mathematical calculations and generates results of different formulas according to user input such as GCD (greatest common divisor),LCM(least common multiplier),factorial,permutation,combination etc.
It has a geometrical shapes section where you can give input of various kind of dimensions of various kinds of shapes such as circle,rectangle,triangle,rhombus etc.
It has also a number base conversion section containing decimal to binary,octal,hexadecimal conversion and vice versa.This app shows all results in real time.
Why would you use it? Because, you don't get all of these functionality together anywhere too often.So,download your pocket math assistant and be the smartest one around.