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 British colonies, including Hong Kong from 1863 to 1866; and the British Palestine Mandate from 1926 until 1948. The Palestinian example may in fact have been the impetus to use a pound-mil system in Cyprus as the Palestinian pound was for a brief period accepted as legal tender in Cyprus. Although Cyprus gained independence from Britain in 1960, the Cyprus pound remained pegged to the pound sterling until 1972. The origins of the Egyptian pound date from 1834, when a Khedival Decree was issued providing for the issuing of an Egyptian currency based on a bimetallic base, i.e.: based on