Estonian kroon Estonian kroon The kroon (sign: kr; code: EEK) was the official currency of Estonia for two periods in history: 1928–1940 and 1992–2011. Between 1 January and 14 January 2011, the kroon circulated together with the euro, after which the euro became the sole legal tender in Estonia. The kroon was subdivided into 100 cents ("senti"; singular "sent"). The word "kroon" (, “crown”) is related to that of the Nordic currencies (such as the Swedish krona and the Danish and Norwegian krone) and derived from the Latin word "corona" ("crown"). The kroon succeeded the mark in 1928 and was in use
Indexed unit of account Indexed unit of account When a daily indexed unit of account or Daily Consumer Price Index (Daily CPI) or monetized daily indexed unit of account is used in contracts or in the Capital Maintenance in Units of Constant Purchasing Power accounting model, deferred payments and constant real value non-monetary items are indexed to the general price level in terms of a Daily Index such that changes in the inflation rate—in the case of monetary items—and the stable measuring unit assumption—in the case of constant real value non-monetary items—have no effect on the real value of these items. Non-indexed units, such