Main function of the App. is logging your shopping items when you are shopping and query them in the future.Have you ever ask yourself follow questions?1.Had I bought this before?2.What price did I buy this ?3.Where did I buy this ?4.What day did I buy this?5.What’s the price history of the item?Shopping Logger will answer all these questions for you and make calculator useless when you are shopping.All you have to do is scan barcode(or input barcode number) before you put item into your shopping cart.note:1.You have to enter item data by your self first before using it via barcode or barcode number.2.Visit my blog please,if you have any question of the app.