positive, plus, add
 
angle
negative, minus, subtract
 
perpendicular
×
times, multiply
 
degree(s)
÷
divide
 
triangle
=
is equal to
 
is approximately equal to
is not equal to
 
is similar to
<
is less than
 
is parallel to
>
is greater than
 
infinity
is less than or equal to
 
pi, 3.14159
is greater than or equal
to
 
is congruent to
(  )
Parentheses (grouping
symbol)
 
therefore
[  ]
Brackets (grouping
symbol)
 
square root
{  }
Braces (grouping symbol)
 
right angle
|   |
Absolute Value Bars
  !
factorial
is an element of
 
the sum of
is not an element of
  e
numeric constant 2.71828
is a subset of
 
line AB
is not a subset
 
segment AB
the set of
  AB
the length of
the intersection
 
ray AB
Math Symbols
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