NIST would beg to differ. http://physics.nist.gov/Pubs/SP811/sec09.html In another section, the SI units guide states that the symbols are capitalized when named after a person: metre = m volt = V Chris P. System Validation Design Engineer PMC-Sierra, Inc. 604.415.6053 x2480 e-mail: chris_peake@xxxxxxxxxxxxxx > -----Original Message----- > From: Gerald Johnson [mailto:gerald.johnson@xxxxxxxxxxxx] > Sent: Friday, April 04, 2003 1:42 PM > To: si-list@xxxxxxxxxxxxx > Subject: [SI-LIST] Re: Language conventions > > > > Doug, > > T. L. Jackson is correct. Units are capitalized if they are > named after a person (a proper noun). The one that > bothers me the most is when I see a usage like "mS" and they > meant to describe a unit of time and not a unit of conductance. > This is a case where capitalized or not actually completely > changes the meaning (s for seconds, S for Siemen). > > Jerry > > > | Date: Fri, 04 Apr 2003 13:06:27 -0800 > | To: si-list@xxxxxxxxxxxxx > | From: Doug Brooks <doug@xxxxxxxxxx> > | Subject: [SI-LIST] Language conventions > | X-ecartis-version: Ecartis v1.0.0 > | > | > | Hi all, > | > | I need some help in settling a misunderstanding among some > people. It > | involves when to capitalize and not capitalize Volt, Amp, > and Watt, etc. > | > | In the following uses, is it proper to capitalize the letters as > | shown: The voltage is one Volt, which we can also write as > 1 V. The > | current is 10 Amps, but other places it is only 5 mA. The > definition of one > | Amp is the flow of.......... The power generated is 5 > Watts. But I only > | have a 2-Watt power supply. > | > | When do we capitalize and when don't we? > | > | Doug Brooks > | > | > | > | > | > ______________________________________________________________ > _________________ > | UltraCAD Design announces availability of its new book > "Signal Integrity > | Issues in PCB Design" > | Details at www.ultracad.com > | > | > | ------------------------------------------------------------------ > | To unsubscribe from si-list: > | si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the > Subject field > | > | or to administer your membership from a web page, go to: > | //www.freelists.org/webpage/si-list > | > | For help: > | si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > | > | List archives are viewable at: > | //www.freelists.org/archives/si-list > | or at our remote archives: > | http://groups.yahoo.com/group/si-list/messages > | Old (prior to June 6, 2001) list archives are viewable at: > | http://www.qsl.net/wb6tpu > | > | > > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > > or to administer your membership from a web page, go to: > //www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > List archives are viewable at: > //www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > > ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu