Tip Calculator $

Tip Calculator application calculates and displays the tip based on the total bill at the restaurant, the tip size and the amount of the final bill (including tip ) .
It uses three interest rates for calculation tip :
★ 10%
★ 15%
★ 20%
You can set your own rate used in calculating the tip. To do this, move the slider and then renewed the interest rate that appears on the right of the slider .
Tip Calculator application supports different screen orientation :
★ vertical;
★ horizontal .
Very easy to use .
Just enter the amount and you're done !
The calculation in real time. Nice, nice user interface .