The fastest and easiest dates calculator:
* Calculate the number of days between two dates.
* Add or Subtracts days to any date.
* Will now show also the interval as years,months,days.

Everything is in one screen:
* Change starting or ending date with the date pickers, the number of days between these dates will show automatically.
* Change the number of days (with the arrows or click and type), the ending date will update automatically.

At last you can quickly answers questions like:
* What date is 50 days from now?
* How many days since Oct. 24th 2009?
* What date was 90 days ago?

How to use:
* Choose a starting date and an ending date with the date pickers (wheels) - the number of days between the dates will show automatically.
* Change the number of days (with the arrows or by clicking the number and typing) and the ending date will update automatically.

The dates will display according to the region settings of your iPhone.