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2006/8/24, Dave Dodge <dododge@dododge.net>:
On Thu, Aug 24, 2006 at 11:29:28AM -0700, Sam Roberts wrote: > How much slower is it than onboard integral arithmetic? Don't some > processors support BCD instructions? Some 1960s IBM mainframes such as the 360 have BCD instructions. I
According to http://en.wikipedia.org/wiki/Binary-coded_decimal, IBM's BCD is 6-bit, while normal BCD is 4-bit. Oracle 7 used BCD to store numbers. And of course COBOL does. :-) Best Martin