Science |
Symbols - Mathematical Symbols |
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+ |
plus/add |
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− |
minus/subtract |
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÷ |
divide |
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/ |
divide |
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× |
multiply/times |
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. |
multiply/times, scalar product of vectors |
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= |
is equal to |
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≡ |
is identically equal to, defined as |
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≠ |
does not equal |
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≈ |
is approximately equal to |
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> |
is greater than |
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≥ |
is greater than or equal to |
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is much greater than |
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< |
is less than |
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≤ |
is less than or equal to |
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is much less than |
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± |
plus or minus, error margin |
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minus or plus |
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complex set |
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Z |
integer set |
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natural set |
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rational set |
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real set |
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: |
is to, ratio, such that |
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:: |
as |
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therefore |
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because |
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for all |
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there exists |
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| { } |
set |
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| < > |
mean |
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| √ |
(square) root of |
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| * |
denotes an operation |
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angle |
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parallel |
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| ≡ |
congruent |
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perpendicular |
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intersection |
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union |
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subset |
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is not a subset |
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belongs to |
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does not belong to |
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empty set |
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cardinality |
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| Δ |
finite difference or increment |
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| : |
colon |
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| ; |
semicolon |
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| % |
per cent |
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| ' |
first derivative, feet, arcminutes |
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| '' |
second derivative, inches, arcseconds |
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| ° |
degrees |
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| ~ |
difference |
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| … |
ellipsis |
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is equivalent to |
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implies |
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| ! |
factorial |
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| ∞ |
infinity |
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| ∫ |
integral |
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| → |
maps into, approaches the limit |
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| Σ |
the sum of the terms indicated (sigma) |
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the product of the terms indicated (pi) |
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is proportional to |
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vector differential |
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