Easiest way to figure out discounted price.
Enter list price and tap any %off button.
You can see the final price immediately.
How to use
1. Tap money icon or price area, then enter list price.
2. Tap any "%button"
3. You see discounted price and how much you save.
4. Tap "Cart" icon to keep this price in the shopping cart.
5. You can go back to calculator or to shopping cart by using Arrow icon.