SalePrice is a simple and easy to use. It is designed to calculate the sale price of any item that you may want to buy. This can even take tax, set by you, into account. Simply just type in the sticker price of the item you want to buy, set the tax, set the sale (how much % off) and hit the calculate button. The results show you how much money off of the item the sale is, the sales price, the tax and how much the total is. Very useful the mall, the grocery store or car shopping & many other.