Description

Miss your iPhone Calculator? Calculator 4 - iPad Edition is a full featured scientific calculator that performs exactly what you want.

++ Top #1 Productivity app in more than 50 countries - 13 Oct 2010 ++

** If you can see the backspace button, please go to settings, switch off and then switch again. The bug will fix it next version. **

What's New in Version 1.4

- Add two number formats