8. Decimal coding

The aim of coding the decimal system is to provide accurate decimal calculations, without the rounding errors that are inevitable when values expressed in base 10 have to be represented using the binary system.

8.1 Binary-coded decimal

Binary-coded decimal involves encoding the digits 0 to 9 on 4 bits (table 5 ).

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Bibliography

(1) - HARRIS (D.), OBERMAN (S.), HOROWITZ (M.) - SRT Division: Architectures, Models, and Implementations (PDF) (Technical report). Stanford University, - 9 September 1998.
(2) - - IEEE Standard for Floating-Point Arithmetic,