This application is widely used in cases where we buy a product, but there is the same product with different price and volume.In this case, it calculates which product has the best price and shows to the user.A simple example to illustrate the wonder of this application.A beer:600ml = 5 dolars350ml = 2.80 dolarsWhat is the cheapest?Using this program, you will conclude that the 350 ml beer is cheaper, thus saving your money.There are several other examples of how to check the price of rice, snacks, breads, coffee, milk, etc..So, Save your Money.