268-1976 IEEE/ASTM Standard Metric Practice

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Author(s): Joseph L. Koepfinger ; Sava I. Sherr ; Warren H. Cook
Organization: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 30 January 1976
Status: inactive
Page(s): 1 - 48
ISBN (Online): 978-1-5044-0240-8
DOI: 10.1109/IEEESTD.1976.7393396

Abstracts

Regular

This standard describes the International System of Units (SI), the modern version of the metric system. It includes listings of the base units, supplementary units, and units derived therefrom. Guidance is provided on application of the SI prefixes, other units in use with SI (including units accepted for limited use and units to be abandoned), and unit selection. A section on style and usage covers the writing of unit symbols and names, pronunciation, and recommendations for numbers. Extensive guidance is provided on conversion and rounding including tables for conversion of linear dimensions, also pressure and stress, along with a very extensive table of conversion factors. An appendix provides background information in the development of SI.

Standard

This standard describes the International System of Units (SI), the modern version of the metric system. It includes listings of the base units, supplementary units, and units derived therefrom. Guidance is provided on application of the SI prefixes, other units in use with SI (including units accepted for limited use and units to be abandoned), and unit selection. A section on style and usage covers the writing of unit symbols and names, pronunciation, and recommendations for numbers. Extensive guidance is provided on conversion and rounding including tables for conversion of linear dimensions, also pressure and stress, along with a very extensive table of conversion factors. An appendix provides background information in the development of SI.

Document History

ST 268:2014 - File Format for Digital Moving-Picture Exchange (DPX)
December 29, 2014 - Society of Motion Picture and Television Engineers

(1.1) This standard defines a file format for the exchange of digital moving pictures on a variety of media between computer-based systems. It does not define the characteristics of input or output devices or displays. This format will be known as the SMPTE digital picture exchange format version 2....

ST 268:2003 Am1:2012 - File Format for Digital Moving-Picture Exchange (DPX) — Amendment 1
July 3, 2012 - Society of Motion Picture and Television Engineers

The purpose of this amendment is to modify SMPTE 268M-2003 so that the file format for Digital Moving-Picture Exchange (DPX) may be utilized as a container for Academy Density Exchange Encoding (ADX) code values.

ST 268:2003 - For File Format for Digital Moving-Picture Exchange (DPX), Version 2.0
May 5, 2003 - Society of Motion Picture and Television Engineers

(1.1) This standard defines a file format for the exchange of digital moving pictures on a variety of media between computer-based systems. It does not define the characteristics of input or output devices or displays. This format will be known as the SMPTE digital picture exchange format version 2....

268-1992 - American National Standard for Metric Practice
October 28, 1992 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Guidance for the application of the modernized metric system in the United States is given. Known as the International System of Units (SI), the system is intended as a basis for worldwide standardization of measurement units. Information is included on SI, a limited list of non-SI units recognized ...

268-1992 - American National Standard for Metric Practice
January 1, 1992 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Guidance for the application of the modernized metric system in the United States is given. Known as the International System of Units (SI), the system is intended as a basis for worldwide standardization of measurement units. Information is included on SI, a limited list of non-SI units recognized ...

268-1982 - IEEE Standard Metric Practice
March 15, 1982 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This standard describes the International System of Units (SI), the modern version of the metric system. It includes listings of the base units, supplementary units, and units derived therefrom. Guidance is provided on application of the SI prefixes, other units in use with SI (including units accep...

268-1976 - IEEE/ASTM Standard Metric Practice
January 30, 1976 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This standard describes the International System of Units (SI), the modern version of the metric system. It includes listings of the base units, supplementary units, and units derived therefrom. Guidance is provided on application of the SI prefixes, other units in use with SI (including units accep...

268-1973 - IEEE Recommended Practice for Units in Published Scientific and Technical Work
October 17, 1973 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this period of transition, authors and editors of scientific and engineering literature sometimes need basic information on the International System of Units (the Metric System), described in this standard. This contains the units, supplementary units, and multiplier prefixes of the International...

268-1966 - IEEE Recommended Practice for Units in Published Scientific and technical Work
April 26, 1966 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This document is a companion to Technical Committee Report on Recommended Practices for Burst Measurements in the Time Domain, IEEE No. 257, May 1964. In the time domain document, bursts are defined and particular attention is placed on their duration and magnitude. The use of additional characteris...

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