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 Indian Rupee in Aden by 1951. Meanwhile, in 1927 a new Palestine pound at par with the pound sterling was introduced in the mandated territories of Palestine and Transjordan to replace the Turkish and Egyptian currencies. The East African Shilling in Aden was replaced in 1965 with the South Arabian Dinar at par with the pound sterling. For nearly four hundred years, silver Spanish dollars (pieces of eight) had served as the international currency, and most of these coins were minted in Mexico City, Lima, and Potosi in the New World. The policy of introducing the sterling currency into all