DiscountCalculator (com.orangefrog.discountcalculation.activity) on Google Play
The price after discount is displayed from a price and a discount rate. 1. An input of a price and a discount rate will display the price after discount.2. If it clicks an "additional" button, it will be added to a list.3. A click of a "list" button will display the price after discount in a list.(Only the calculation result which clicked the "Add" button is displayed.)4. A click of "delete" button will delete all lists.