On Monday, November 17, 2003, at 03:08 PM, John Kenrick wrote:
The international standard (ISO 31-0:1992) says (Section 3.3.1, page 11):
"To facilitate the reading of numbers with many digits, these may be separated into suitable groups, preferable of three, counting from the decimal sign toward the left and the right; the groups should be separated by a small space, and never by a comma or a point, nor by any other means."
Great information, John.
Of course, what the heck is a "small space" in the ASCII character set?
When I was going to Georgia Tech in the 1980's there were some researchers developing a new programming language, and they allowed underscores '_' to delimit digit groups. This is directly in the spirit of ISO 31-0:1992 above, with '_' representing a "small space."
With that convention you can represent a decimal number using either the American '.' convention or the European ',' convention. You could even separate digits to the right of the point using '_' as well.
1_234_567_890.141_592_653_589_793_23
-- or --
1_234_567_890,141_592_653_589_793_23
-- Patrick
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