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 Bank of Egypt issued banknotes for the first time on 3 April 1899. The Central Bank of Egypt and the National Bank of Egypt were unified into the Central Bank of Egypt in 1961. A year later, in 1962, the Egyptian pound ceased to be pegged to the British pound and was tied to the United States dollar instead. Following the institution of the British Mandate for Palestine in 1918, the Egyptian pound was introduced into the area that became known as Palestine, and circulated alongside the "Ottoman lira" until 1927. With the establishment of the Currency Board for Palestine