"На чай" (Калькулятор)

A simple application to calculate the tip. Enter the amount stated in the bill, the desired tip percentage and get the total payment amount. Clicking on + or - allows you to round the total payment amount in one or another direction ( also it is possible to type the amount manually) and to see the actual tip. To enter numbers, touch the desired cell. To complete the entry, touch the screen at any place.