Symbols are
used as a
concise way of
giving lengthy
instructions
related to
numbers and
logic.
Math Symbols are
a communication
tool. Symbols are an
invention which is
used to eliminate
the need to write
long, plain language
instructions to
describe
calculations and
other processes.
The most
valuable, most
frequently used
Symbols in
mathematics . .
.:
The
most important, most
frequently used
Miscellaneous
symbols are listed
below.
Symbol
for
"Square
Root"
-
The symbols
,
, and
are
equivalent
to and
interchangeable
with one
another.
All three
symbols mean
exactly the
same thing: the
square root of
the number
represented by
"X".
The square root
of the number
represented by
X is another
number which
can be
multiplied by
itself to equal
X.
Example 1:
Square
Root
Square Root of
256:

The use of the
plus-minus
symbol is a
short hand way
of showing that
the square root
of 256 has two
answers:

(16)(16) =
256
(-16)(-16) =
256
Example
2:
Cube
Root
Cube
Root of 64:

Note: there is
only one
solution, a
positive 4
(4)(4)(4) =
64
Example
3:
Fourth
Root
Fourth
Root of 16:

Note: there are
two
solutions

(2)(2)(2)(2) =
16
(-2)(-2)(-2)(-2)
= 16