GB/T 8170-2008: Rules of rounding off for numerical values and expression and judgement of limiting values

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Scope

This Standard specifies the rules for rounding off values, the expression and
determination of numerical limits, relevant terms and their symbols, and the method for
comparing measured values or their calculated values with the limiting values specified
in the standard.
This Standard applies to various values obtained through testing and calculation in
scientific, technological and production activities. When the obtained values need to be
rounded off, they should be rounded off according to the rules given in this standard.
This Standard is applicable to the preparation of various standards or other technical
specifications and the determination of test results.

Basic Data

Standard ID	GB/T 8170-2008 (GB/T8170-2008)
Description (Translated English)	Rules of rounding off for numerical values and expression and judgement of limiting values
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	A41
Classification of International Standard	03.120.30
Word Count Estimation	10,169
Date of Issue	2008-07-16
Date of Implementation	2009-01-01
Older Standard (superseded by this standard)	GB/T 8170-1987; GB/T 1250-1989
Regulation (derived from)	Announcement of Newly Approved National Standards No. 12 of 2008 (No. 125 overall)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the right value for rounding rules, values ??and limit values ??expressed determination method, the terminology and symbols, as well as the measured values ??or calculated values ??and standards prescribed limit values ??for comparison method, This standard applies to science and technology and production activities of the various tests and calculated values ??, the values ??obtained when rounding needed, they should be given the standard rules, this standard is applicable to a variety of standards or other technical specifications for the preparation and testing the results of determination.