Unit of account L.S.D units in ratio 240:12:1. The Florentine gold florin, the French franc and the electoral rheingulden all became pounds (240 denari) of account. Units of account would often survive over 100 years despite the original coins changing composition and availability (e.g. the Castilian maravedi). A modern unit of account is the European Currency Unit, used in the European Union from 1979 to 1998; its replacement in 1999, the Euro, was also just a unit of account until the introduction of notes and coins in 2002. Unit of account is the main way of calculating a carrier or ship owner's liability
Euro Currency Index was 34.38805726 multiplied by the product of all components in the basket of currencies, that have been raised to a high number of their percentage, weighting equal to: ECX = 34.38805726 x (EURUSD^(0.3155) x EURGBP^(0.3056) x EURJPY^(0.1891) x EURCHF^(0.1113) x EURSEK^(0.0785)) The all-time low was constructed on 6 July 2001, with 83.36 points and the all-time high on July 14, 2008, 123.82 points. On 20 May 2011, the exchange ICE Futures U.S. ended the trading of futures and options on the index. On July 28, 2011, the calculation of the ICE Euro Currency Index was discontinued (last value was 108.88