Highly recommended Calculator app (update 03/26/14)

The functionality of the calculator app is very large:
- You can choose different computer functions: science, finance, statistics, date / time programming (converting decimal values ​​in hexadecimal, octal, binary), surfaces and lengths, volumes and weights.
- Select different skins
- Set portrait or landscape orientation.

Conclusion:
The computer offers a lot more than you would normally expect from a calculator. Especially handy is for everyday use, that super fast can convert pints in liters or inches to meters. Great for amateur chefs with English cookbooks or visitors from countries without metric system.

Update 26/03/14
Due to recent events, because the app is now free again: An Internet connection is only required when the app starts. Then you can cut the connection again and use the computer offline.