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This module contains a table of mathematical symbols from Elementary Algebra by Denny Burzynski and Wade Ellis, Jr.
( ) Parentheses (grouping symbols)
[ ] Brackets (grouping symbols)
{ } Braces (grouping symbols)
= equal
not equal to
approximately equal to
> greater than
< less than
greater than or equal to
less than or equal to
x variable or constant
- x negative of x (opposite of x )
| x | absolute value of x
1 x reciprocal of x
( a , b ) ordered pair with component a and second component b
π the irrational number pi, often approximated by 3.14
a the principal square root of a
- a the secondary square root of a

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Source:  OpenStax, Elementary algebra. OpenStax CNX. May 08, 2009 Download for free at http://cnx.org/content/col10614/1.3
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