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| Symbol |
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Description |
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Example |
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| + |
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Plus, positive, add |
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| - |
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Minus,
negative, subtract |
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Plus or
minus, positive or negative |
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Minus
or plus |
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| x |
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Multiplied
by, times |
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| A x B = A .B = AB; 3 x 4 = 12 |
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Divided
by |
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Proportion |
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| = |
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Equals,
is equal to |
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| > |
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Is greater
than |
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| < |
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Is less
than |
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Is not equal
to |
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Is greater
or less than |
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Is
not greater than |
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Is not less
than |
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Is
greater than or equal to |
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Is less than or equal to |
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Is
proportional to, varies with |
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Infinity |
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Is perpendicular
to |
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Angle |
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| ~ |
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Is similar
to |
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Is parallel to |
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Root of |
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| ( ) |
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Parenthesis |
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[]
{} |
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Brackets |
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Quantities enclosed or covered
by
the symbol are taken together |
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| _____ |
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Vinculum |
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Since, because |
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Hence, therefore |
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| º |
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Degrees |
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´
m
min
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Minutes of arc, feet |
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´´
s
sec
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Seconds of arc, inches |
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| ´
´´ ´´´ etc. |
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Prime, second, third, etc. |
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pi, circumference/diameter |
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| E |
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Modulus of elasticity |
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| e |
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Base of Napierian, natural
or hyperbolic logarithms |
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| g |
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Accleration due to gravity |
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