ISO publishes updated SI Guide.
Press Release Summary:
April 23, 2008 - In effort to maintain global standards for units and derived units, ISO published 32-page guide that serves as condensed user manual for SI, the International System of Units. SI provides information on 7 base units of measure, including length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensity. Latest version also contains SI derived unit "katal" used in clinical chemistry, and prefixes for binary multiples used in information technology.
Original Press Release
Standards for Good Measure: ISO Publishes Updated SI Guide for the International System of Units
Press release date: April 16, 2008