Engineering notation: Difference between revisions

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<ref name="Dickinson_1976">{{cite patent |inventor-last=Dickinson |inventor-first=Peter D. |pubdate=1976-10-19 |fdate=1975-05-19 |pridate=1975-05-19 |title=Calculator Apparatus for Displaying Data in Engineering Notation |assign1=[[Hewlett-Packard Company]] |country-code=US |patent-number=3987290 |url=https://www.google.ch/patents/US3987290}}. "[…] A computing counter […] has been developed that displays data in engineering notation with the exponent expressed in alphabetic form rather than in numeric form, such as f in place of −15, p in place of −12, n in place of −9, μ in place of −6, m in place of −3, k in place of +3, M in place of +6, G in place of +9, and T in place of +12. This device, however, is limited to displaying only those numeric quantities for which there exists a commonly accepted alphabetic exponent notation. This device is also limited in the range of data that it can display because the size of the exponent display area is limited, and would be unduly large if required to contain all of the alphabetic characters necessary to represent every exponent that is a multiple of three, for example, in the range −99 to +99. […]" (US 05/578,775)</ref>
<ref name="Neff_1975">{{cite journal |title=Three New Pocket Calculators: Smaller, less Costly, More Powerful |author-first1=Randall B. |author-last1=Neff |author-first2=Lynn |author-last2=Tillman |journal=[[Hewlett-Packard Journal]] |publisher=[[Hewlett-Packard Company]] |volume=27 |number=3 |date=November 1975 |pages=1–7 |url=http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1975-11.pdf |access-date=2017-06-10 |url-status=live |archive-url=https://web.archive.org/web/20170610140406/http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1975-11.pdf |archive-date=2017-06-10}} [http://www.hpmuseum.org/journals/wooda.htm<!-- https://web.archive.org/web/20170610135819/http://www.hpmuseum.org/journals/wooda.htm -->]</ref>
<ref name="Commodore_SR4148R">http://www.wass.net/manuals/Commodore%20SR4148R.pdf {{Bare URL PDF|date=March 2022}}</ref>
<ref name="Commodore_SR4190R">{{cite book |title=commodore - Multi-Function Preprogrammed Rechargeable Scientific Notation Calculator - Model SR4190R - Owner's Manual |publisher=[[Commodore International|Commodore]] |date=1975 |url=http://www.wass.net/manuals/Commodore%20SR4190R.pdf |access-date=2017-06-24 |url-status=live |archive-url=https://web.archive.org/web/20170624161616/http://www.wass.net/manuals/Commodore%20SR4190R.pdf |archive-date=2017-06-24 |pages=10–11 |quote=Variable scientific notation: [[Commodore Business Machines|Commodore]] scientific calculators offer the possibility of changing the exponent at will, therefore allowing the full choice of the unit in which the display may be read. The {{button|EE↑}} and {{button|EE↓}} will algebraically increment or decrement the value of the exponent by one for each depression, moving accordingly the decimal point of the mantissa.}}</ref>
<ref name="SR-40">{{Cite web|url=http://www.datamath.org/SCI/MAJESTIC/sr-40.htm|title = Datamath}}</ref>
<ref name="SR-40_Manual">http://www.datamath.net/Manuals/SR-40_US.pdf {{Bare URL PDF|date=March 2022}}</ref>
<ref name="TI-30">{{Cite web|url=http://www.datamath.org/SCI/MAJESTIC/TI-30.htm|title = Datamath}}</ref>
<ref name="TI-30_Manual">http://www.datamath.net/Manuals/TI-30_1976_US.pdf {{Bare URL PDF|date=March 2022}}</ref>
<ref name="TI-30-BR">{{Cite web|url=http://www.datamath.org/Sci/MAJESTIC/TI-30_BR.htm|title = Datamath}}</ref>
<ref name="TI-30_BR_Manual">http://www.datamath.net/Manuals/TI-30_BR.pdf {{Bare URL PDF|date=March 2022}}</ref>
<ref name="TI-30_2">{{Cite web|url=http://www.datamath.org/Sci/MAJESTIC/TI-30_2.htm|title=Datamath}}</ref>
<ref name="TI-30_RCI">{{Cite web|url=http://www.datamath.org/Sci/MAJESTIC/TI-30_RCI1380.htm|title=Datamath}}</ref>
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<ref name="TI-30_Super">{{Cite web|url=http://www.datamath.org/Others/KohINoor/TI-30.htm|title = Datamath}}</ref>
<ref name="TI-45">{{Cite web|url=http://www.datamath.org/Sci/MAJESTIC/TI-45.htm|title = Datamath}}</ref>
<ref name="TI-45_Manual">http://www.datamath.net/Manuals/TI-45_EU.pdf {{Bare URL PDF|date=March 2022}}</ref>
<ref name="CUU_2014_c">{{cite web |title=CODATA Value: Speed of light in vacuum ''c'', ''c''<sub>0</sub> |work=[[CODATA 2014]]: The NIST Reference on Constants, Units, and Uncertainty: Fundamental Physical Constants |publisher=[[NIST]] |date=2017-05-24 |url=http://physics.nist.gov/cgi-bin/cuu/Value?c |access-date=2017-05-25 |url-status=live |archive-url=https://web.archive.org/web/20170625090639/http://physics.nist.gov/cgi-bin/cuu/Value?c |archive-date=2017-06-25}}</ref>
<ref name="Martin_1968">{{cite journal |title=Letters to the editor: On binary notation |author-first=Bruce Alan |author-last=Martin |publisher=[[Associated Universities Inc.]] |journal=[[Communications of the ACM]] |volume=11 |issue=10 |date=October 1968 |page=658 |doi=10.1145/364096.364107|s2cid=28248410 }}</ref>