Gambian pound these were minted by the Royal Mint in denominations of 1, 3 and 6 pence, 1, 2 and 4 shillings, with 8 shillings added in 1970. All coins had Queen Elizabeth II's portrait on the obverse. The 8 Shillings coin of the Gambia is the only example of this denomination ever minted. With the exception of the Hippopotamus, the reverse designs of the pre-decimal coins were reused on the Gambia's decimal coins. On October 5, 1964, new banknotes were introduced by the Gambia Currency Board in denominations of 10 shillings, 1 and 5 pounds. All notes had a sailing boat
Decimal fractions. The Egyptian hieratic numerals, the Greek alphabet numerals, the Hebrew alphabet numerals, the Roman numerals, the Chinese numerals and early Indian Brahmi numerals are all non-positional decimal systems, and required large numbers of symbols. For instance, Egyptian numerals used different symbols for 10, 20, to 90, 100, 200, to 900, 1000, 2000, 3000, 4000, to 10,000. The world's earliest positional decimal system was the Chinese rod calculus. Decimal fractions were first developed and used by the Chinese in the end of 4th century BC, and then spread to the Middle East and from there to Europe. The written Chinese