positive, plus, add | perpendicular | |||

negative, minus, subtract | angle | |||

¡Â | divide | degree(s) | ||

¡Á | times, multiply | 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 | ||

or | is a subset of | line AB | ||

or | is not a subset | segment AB | ||

the set of | AB | the length of | ||

the intersection of | ray AB |

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