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 computer extended to wider formats and hence are now slower than using 32-bit or wider BCD 'tricks' to compute in BCD (see ). The x87 FPU has instructions to convert 10-byte (18 decimal digits) packed decimal data, although it then operates on them as floating-point numbers. The Motorola 68000 provided instructions for BCD addition and subtraction; as does the 6502. In the much later 68000 family-derived processors, these instructions were removed when the Coldfire instruction set was defined, and all IBM mainframes also provide BCD integer arithmetic in hardware. The Zilog Z80, Motorola 6800 and its derivatives, together with other 8-bit