Symbols are
a concise
way of giving
lengthy
instructions
related to
numbers and
logic.
Symbols are
a communication
tool. Symbols
are used to
eliminate the
need to write
long, plain
language
instructions to
describe
calculations
and other
processes.
For example, a
single symbol
stands for the
entire process
for addition.
The familiar
plus sign
eliminates the
need for a long
written
explanation of
what addition
means and how
to accomplish
it.
The same
symbols are
used worldwide
. . .
The symbols
used in
mathematics are
universal.
The same math
symbols are
used throughout
the civilized
world. In most
cases each
symbol gives
the same clear,
precise meaning
to every
reader,
regardless of
the language
they speak.
The most
valuable,
most
frequently used
Symbols in
mathematics . .
.
The most
important, most
frequently used
Symbols for
Set
Notation
are listed
below.
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Symbols
for Set
Braces

Set
Braces
(curly
brackets) are
used to
identify
a set of
elements.
However,
Braces
(curly
brackets) are
also
commonly
used as
grouping
symbols in a
mathematical
expression.
Using Set
Braces (curly
brackets) to
identify
a
set
. . .
To
identify a set
consisting of
the following
numbers:
1,3,9,11.
. . .
To
identify a set
consisting of
the following
elements:
a,b,c,d,e.
. . .
To
identify a set
consisting of
the following
elements:
dog, cat,
bird, horse,
rabbit.