Subtotal is the first gesture driven Sales Tax and Discount Calculator. Its design reflects the classy modern minimal interface with pure gesture driven controls for a clean polished look. Optimized for iOS7 and the sharp retina display of your latest phone.This modern Sales Tax and Discount Calculator app will not only calculate your subtotal after tax. It will also let you set the discounts based on price or percentages. Calculated individually (by leaving one of the fields at0) or both at the same time.// Set your local tax value and it will remember it for you the next time you open the app.// Two discount sections. One for price based discounts and one for percentage based discounts.// Swipe up on the subtotal to view what you saved after discount.// Swipe right to delete digits individually.// Swipe vertically to scroll and toggle among fields.// Swipe down on the numpad handle to hide it or press OK. Your call.// No need to tap on any calculate button. All the calculations are done instantly as you type.