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Topic: Implied brackets, are they really there?
Replies: 26   Last Post: Feb 19, 1999 1:29 PM

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John F Harper

Posts: 214
Registered: 12/3/04
Re: Implied brackets, are they really there?
Posted: Feb 17, 1999 2:56 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply



In article <36cd05bf.275180203@news.newsguy.com>,
Quentin Grady <quentin@inhb.co.nz> wrote:

>When explaining how to simplify the expression
>
> 15 + 6
>-------
> 3 + 4

(snip)
>(I made the mistake of asking what the ------- line was called and
>never got an answer.)


The --------- line is called a vinculum.

In old, usually elementary, books it was occasionally used in places
other than fractions:
___
x - y-z = x - y + z for example. Nowadays it is uaually avoided in
such contexts because it might make one think of mean values or
complex conjugates.

>Apart from downing a few cold beers on Friday night has anyone any
>helpful suggestions for resolving the dilemma.


---- in the context of mean values or complex conjugates is usually
called a bar. It doesn't have cold beers behind it though. (English as
well as mathematics often uses one symbol for more than one purpose.)

John Harper, School of Mathematical and Computing Sciences,
Victoria University, Wellington, New Zealand
e-mail john.harper@vuw.ac.nz phone (+64)(4)463 5341 fax (+64)(4)463 5045






Date Subject Author
2/17/99
Read Implied brackets, are they really there?
Quentin Grady
2/17/99
Read Re: Implied brackets, are they really there?
Jake Wildstrom
2/18/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/17/99
Read Re: Implied brackets, are they really there?
John Savard
2/18/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/18/99
Read Re: Implied brackets, are they really there?
John F Harper
2/17/99
Read Re: Implied brackets, are they really there?
John Rickard
2/19/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/17/99
Read Re: Implied brackets, are they really there?
Ailc1
2/17/99
Read Re: Implied brackets, are they really there?
Keith Ramsay
2/19/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/19/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/19/99
Read Re: Implied brackets, are they really there?
Gus Gassmann
2/19/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/19/99
Read Re: Implied brackets, are they really there?
Zdislav V. Kovarik
2/19/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/17/99
Read Re: Implied brackets, are they really there?
Darren Lo
2/19/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/17/99
Read Re: Implied brackets, are they really there?
Janus xPuN
2/19/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/17/99
Read Re: Implied brackets, are they really there?
John F Harper
2/19/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/17/99
Read Re: Implied brackets, are they really there?
Virgil Hancher
2/18/99
Read Grouping Rules (Was: Implied brackets...)
kaimbridge@my-dejanews.com
2/19/99
Read Re: Implied brackets, are they really there?
Quentin Grady
2/18/99
Read Re: Implied brackets, are they really there?
Robert Hill
2/19/99
Read Re: Implied brackets, are they really there?
Bill Taylor

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