AccuMart gives you the power as a consumer to know exactly you are going to be paying at the register. Type any price into your phone and AccuMart will automatically add on the correct value based on the sales tax rate for your current location. Enter multiple prices as you shop for different items. AccuMart will do all the legwork of keeping track of your grand total that you will pay at the register, finally taking all the guess-work out of shopping.