This smily app helps Mac users to find the price of everythig without tax. For example, in a shop you see that price of a Mac is Euro 1.200, but you know that there is 20% of tax (like Vat or Iva). How much costs this Mac? Simply, double click on Ivano, type 1200 and then clic OK. Ivano show the right prize of the Mac and put in it on clipboard. Ivano is set for 20% of tax. For change this you can insert the right amount of tax (like 10, 15, 35) and then clic Set instead of OK. Ivano learn the amount of your tax and it doesn't ask you anymore.