Symbols - Mathematical Symbols
| + | plus/add |
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denotes an operation |
| - | minus/subtract |
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angle |
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divide |
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parallel |
| / | divide |
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congruent |
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multiply/times |
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perpendicular |
| . | multiply/times, scalar product of vectors |
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intersection |
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is equal to |
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union |
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is identically equal to, defined as |
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subset |
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does not equal |
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is not a subset |
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is approximately equal to |
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belongs to |
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is greater than |
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does not belong to |
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is greater than or equal to |
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empty set |
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is much greater than |
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cardinality |
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is less than |
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finite difference or increment |
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is less than or equal to |
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colon |
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is much less than |
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semicolon |
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plus or minus, error margin | % | per cent |
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minus or plus | ' | first derivative, feet, arcminutes |
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complex set | " | second derivative, inches, arcseconds |
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integer set | ° | degrees |
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natural set |
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difference |
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rational set |
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ellipsis |
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real set |
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is equivalent to |
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is to, ratio, such that |
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implies |
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as | iff | if, and only if |
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therefore |
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factorial |
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because |
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infinity |
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for all |
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integral |
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there exists |
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imaginary part of a complex number |
| { } | set |
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real part of a complex number |
| < > | mean |
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maps into, approaches the limit |
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(square) root of |
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the sum of the terms indicated (sigma) |
| ( ) | parentheses |
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the product of the terms indicated (pi) |
| [ ] | brackets |
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is proportional to |
| { } | braces |
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vector differential |