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- Path: sparky!uunet!wupost!waikato.ac.nz!canterbury.ac.nz!cosc.canterbury.ac.nz!chisnall
- Newsgroups: sci.math
- Subject: Re: () -> [()] -> {[()]} -> ???
- Message-ID: <BzLtz2.GwI@cantua.canterbury.ac.nz>
- From: chisnall@cosc.canterbury.ac.nz (The Technicolour Throw-up)
- Date: Mon, 21 Dec 1992 10:18:37 GMT
- References: <1g1h1kINN45s@DOLPHIN.ZOO.CS.YALE.EDU>
- Organization: Computer Science,University of Canterbury,New Zealand
- Nntp-Posting-Host: cantua.canterbury.ac.nz
- Lines: 25
-
- From article <1g1h1kINN45s@DOLPHIN.ZOO.CS.YALE.EDU>, by yan-dicky@cs.yale.edu (Dicky Yan):
- > In article <92336.221030CCB104@psuvm.psu.edu> <CCB104@psuvm.psu.edu> wrote:
- >
- >>Parentheses get enclosed inside brackets, which get enclosed by
- >>braces. What next? Large parentheses, perhaps? What, please, is the
- >>convention on this? Thanks....
- >
- > When I was at primary school, I was taught that you put a line above
- > the part of the expression you want to be performed before anything
- > else is done. This usually goes inside the "()" brackets. I have
- > never used it since then. Don't know whether it is a universal
- > notation though. It is something like:
- >
- > ___
- > {2+3-[4 x 6 + 2 x(1+3-8+6)]-1}
- >
-
- The overline is known as a vinculum and is never used these days. Presumably
- the overline that you find in radical signs (e.g. in sqrt(b + 4ac)) is some
- vestige of the vinculum.
-
- --
- Just my two rubber ningis worth.
- Name: Michael Chisnall (chisnall@cosc.canterbury.ac.nz)
- I'm not a .signature virus and nor do I play one on tv.
-