Timeline of binary prefixes: Difference between revisions

Revision as of 00:48, 21 February 2025

Revision as of 01:09, 21 February 2025

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=== 2022 ===

* February: IEEE 1541 is amended to include the prefixes {{brown|zebi}} and {{brown|yobi}}.<ref>[https://standards.ieee.org/ieee/1541/6867/ IEEE 1541-2021 IEEE Standard for Prefixes for Binary Multiples]</ref>

* November: The additional decimal prefixes ''{{blue|ronna}}'' for 1000⁹ and ''{{blue|quetta}}'' for 1000¹⁰ are adopted by the [[International Bureau of Weights and Measures]] (BIPM).<ref>{{cite web |title=List of Resolutions for the 27th meeting of the General Conference on Weights and Measures |url=https://www.bipm.org/documents/20126/64811223/Resolutions-2022.pdf |archive-url=https://web.archive.org/web/20221118153958/https://www.bipm.org/documents/20126/64811223/Resolutions-2022.pdf |archive-date=2022-11-18 |url-status=dead |date=2022-11-18 |access-date=2022-11-18 }}</ref><ref>{{cite journal |title=How many yottabytes in a quettabyte? Extreme numbers get new names |author-last=Gibney |author-first=Elizabeth |date=2022-11-18 |journal=[[Nature (journal)|Nature]] |volume= |issue= |pages= |doi=10.1038/d41586-022-03747-9 |pmid=36400954 |s2cid=253671538 |url=https://www.nature.com/articles/d41586-022-03747-9 |access-date=2022-11-21}}</ref> Binary counterparts to ''{{blue|ronna}}'' and ''{{blue|quetta}}'' were suggested in a consultation paper of the Consultative Committee for Units (CCU) for the [[International Committee for Weights and Measures]] as ''{{brown|robi}}'' ({{brown|Ri}}, 1024⁹) and ''{{brown|quebi}}'' ({{brown|Qi}}, 1024¹⁰), but so far they have not been adopted by the IEC or ISO.<ref>{{cite journal |title=Reply to 'Facing a shortage of the Latin letters for the prospective new SI symbols: alternative proposal for the new SI prefixes' |author-last=Brown |author-first=Richard J. C. |date=2022-04-27 |journal={{ill|Accreditation and Quality Assurance|de}} |volume=27 |issue= 3|pages=143–144 |doi=10.1007/s00769-022-01499-7|s2cid=248397680 }}</ref><ref>{{cite journal |title=A further short history of the SI prefixes |journal=[[Metrologia]] |department=Letter to the editor |author-first=Richard J. C. |author-last=Brown |date=2023 |orig-date=2022-02-08, 2022-04-01, 2022-11-24 |volume=60 |issue=1 |page=013001 |publisher=[[BIPM]] & [[IOP Publishing Ltd]] |id=013001 |doi=10.1088/1681-7575/ac6afd |bibcode=2023Metro..60a3001B |s2cid=253966045 |doi-access=free }} (1+4 pages)</ref>

=== 2025 ===

* February: IEC 80000-13:2025<ref>{{cite web|title=IEC 80000-13:2025|url=https://webstore.iec.ch/en/publication/87379|publisher=[[International Electrotechnical Commission]]|access-date=2025-02-12}}</ref> revises the previous edition of this standard with the addition of new prefixes {{brown|robi}} (symbol {{brown|Ri}}) and {{brown|quebi}} ({{brown|Qi}}) for binary multiples.

== References ==