Euro calculator outside the eurozone to help staff with conversions at airports or railway stations where the euro has a strong presence. Euro calculator A euro calculator is a very popular type of calculator in European countries (see eurozone) that adopted the euro as their official monetary unit. It functions like any other normal calculator, but it also includes a special function which allows one to convert a value expressed in the previously official unit (the peseta in Spain, for example) to the new value in euros, or vice versa. Its use became very popular within the population and commerce of these
World currency unit The WCU – World Currency Unit (WCU) is an indexed unit of account that stands for a unit of real global purchasing power. Since each unit by design represents a stable unit of purchasing power, the stipulated interest rate on WCU-denominated bonds represents a real interest rate. In principle, the common denomination of bonds by issuers from different parts of the world using the WCU, as well as the greater transparency of real interest rates, will produce more efficient capital markets, as savers and borrowers around the world converge in their understanding of what each basis point of interest means