1. Just type in the current price and the percent and the app will tell you your saving and the new price.
2. You can also get the original price if you only have the new price and how much you saved or the percent on the product.
3. The Sale Calculator app tells you how much you are going to save within your next reduced buy!
4. In addition to that there are two themes/layouts between which you can choose by clicking on "theme".
1. I use this app frequently to help make sure I'm giving my customers the right percentages.