Talk:ISO 31
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ISO 31 isn't always followed strictly. There are many deviations from the various parts of ISO 31 in the scientific and other literature, some of them regional. Example: It recommends "lb" as abbreviation for binary logarithm (log2), and "lg" for 10-logarithm (log10). The author of an American book instead used "lg" for log2. I wrote to him and suggested he followed the standard instead. He replied that he never heard of this standard and thought his notation was better. --Hawklord 21:51, 14 Nov 2004 (UTC)