Non-decimal currency Non-decimal currency A non-decimal currency is a currency that has sub-units that are a non-decimal fraction of the main unit, i.e. the number of sub-units in a main unit is not a power of 10. Today only two countries in the world use non-decimal currencies. Both of these countries are in Africa. These are Mauritania (1 ouguiya = 5 khoums) and Madagascar (1 ariary = 5 iraimbilanja). However these are only theoretically non-decimal, as in both cases the value of the main unit is so low that the sub-unit is too small to be of any practical use and coins
British currency in the Middle East and called δεκάρα in Greek and the -piastre coin was equal to 20 para and called εικοσάρα. The introduction of the British currency into Cyprus was controversial from its inception in 1879 as technically the island remained a province of the Ottoman Empire and the right to issue currency within the Ottoman Empire rested solely with the Ottoman Sultan. A question on the legality of introducing the pound in Cyprus was raised by the British Member of Parliament, Mr. Thomson Hankey, in the United Kingdom parliament in 1879, but concerns were dismissed by the British government, and they ceased to