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General Decimal Arithmetic
While trying to find out if Python included some built-in capabilities for dealing with BCD numbers (it appears not) I encountered this rather interesting page about decimal arithmetic.
Comment from Jim Atkinson
Time 5/20/2008 at 3:10 pm
Not exactly direct support but close. You can use hex() or write a method to convert the BCD to a string of digits then to a Decimal object. See the decimal module.