From owner-cvs-all Sun Jan 6 16:30:32 2002 Delivered-To: cvs-all@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id 0945B37B421; Sun, 6 Jan 2002 16:29:51 -0800 (PST) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 26CC0782D0; Mon, 7 Jan 2002 10:59:49 +1030 (CST) Date: Mon, 7 Jan 2002 10:59:49 +1030 From: Greg Lehey To: Jens Schweikhardt Cc: Garrett Wollman , Matt Dillon , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Abbreviating units (was: cvs commit: src/sys/isa sio.c) Message-ID: <20020107105949.H45844@wantadilla.lemis.com> References: <200201060458.g064w9626629@freefall.freebsd.org> <200201060550.g065oGn35131@khavrinen.lcs.mit.edu> <20020106152104.A4955@schweikhardt.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20020106152104.A4955@schweikhardt.net> User-Agent: Mutt/1.3.23i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sunday, 6 January 2002 at 15:21:04 +0100, Jens Schweikhardt wrote: > FYI, > > # > # The symbol for `second' is `s'. `S' is `siemens', the unit of > # conductivity. When the Greek letter mu is not available, the prefix > # `micro-' is symbolized `mc'. > # > # The symbol for `hertz' is `Hz'. `hz' is meaningless. > # > > There's even an easily remembered rule to capitalization of units (in > Physics): if the unit is named after a person, it's capitalized, else in > lower case. So we have capitalized Hertz, Volts, Faradays, Webers, Ohms, > Siemens, Amperes, Ångströms, Coulombs, Watts, Newtons, Joules, Kelvins, > etc and lowercased seconds, meters, parsecs, barns, ergs, etc. In Australia, they use "L" to represent litres. The Commonwealth Style Guide claims that this is the correct international abbreviation. I don't know anywhere else where it's a capital, but that doesn't mean it's wrong this way (just looks it :-). Can anybody confirm or deny? > Information technology is a different beast, however. You can't tell > without context whether b is bits or bytes. I'd always believed it was bits. Bytes are B. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message