OnLine - connected to internet counts prices with or without taxes, using current currency rates. No tedious and time consuming to search the current exchange rate. Current rate for the selected currency you can see immediately when you start the calculator. Cross currency rate converter. (Reference currency euro.) Calculation of tax - on click will show you the price including tax, without tax and the tax itself. (Default VAT.) You can use two tax rates. Numeric keypad - fully controllable by numeric keypad. Quick activation - on press keys Ctrl + Alt + K (can be changed in settings)