Parentheses or brackets (US/UK terminology question)

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Homework Help Overview

The discussion revolves around terminology differences between US and UK English regarding mathematical operations involving parentheses and brackets. The original poster seeks clarification on the appropriate terminology used in the USA for the process of expanding expressions involving these symbols.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the definitions of parentheses and brackets, with some confusion about the terminology. The original poster shares their understanding based on UK terminology and questions how it translates to US usage. Others contribute by clarifying the distinctions between different types of brackets and their uses.

Discussion Status

Participants have provided insights into the terminology, with some suggesting that "multiplying out" is a common phrase used regardless of the specific terms for the symbols. The discussion appears to be productive, with various perspectives on the terminology being explored.

Contextual Notes

The original poster notes a lack of resources in US physics books regarding algebra terminology, which may limit their ability to find information on the subject. There is also an acknowledgment of the variability in terminology across different contexts, such as in computer algebra systems.

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Homework Statement



I'm trying to find out how people in the USA would refer to the following operations - i.e. what name would you give the process of doing something like this:

a(a + b) = a^2 + ab

(a + b)^2 = (a + b)(a + b) = a^2 + 2ab + b^2

Homework Equations



N/A.

The Attempt at a Solution



I have a number of US physics books, but they don't cover algebra. All of my math(s) books are UK or international.I would call the above operation 'multiplying out the brackets', e.g.

http://www.bbc.co.uk/schools/gcsebitesize/maths/algebra/symbolsrev4.shtml

But I believe that in the USA, () are called parentheses - so there must be different terminology for the operation as well? As I don't know what it is, I don't know what to search for using a search engine! So any light that can be shed on the subject would be gratefully received - thanks in advance.
 
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I thought {} were parentheses.
 
madmike159 said:
I thought {} were parentheses.

No, "(" and ")" are "parentheses". "{" and "}" are braces.

But they are "multiplying out" whatever you want to call the symbols!
 
The computer algebra system Mathematica uses the term "Bracketing" in the following way:

Four kinds of bracketing:
(term) parenthesis for grouping
f[x] square brackets for functions
{a,b,c} curly braces for lists
v[] double brackets for indexing

Notice that "bracket" is used here as a specific and generic term.

I don't think you are going to find uniformity here.
 
Thanks for the replies everyone, I'll go with "multiplying out the parentheses".
 

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