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The summation symbol. Mathematical notation uses a symbol that compactly represents summation of many similar terms: the summation symbol, , an enlarged form of the upright capital Greek letter sigma. [1] This is defined as
u+03fe Ͼ greek capital dotted lunate sigma symbol; u+03ff Ͽ greek capital reversed dotted lunate sigma symbol; u+2140 ⅀ double-struck n-ary summation; u+2211 ∑ n-ary summation (∑, ∑) u+23b2 ⎲ summation top [a] u+23b3 ⎳ summation bottom; u+2ca4 Ⲥ coptic capital letter sima; u+2ca5 ⲥ coptic small letter sima; u+2cea ...
Summation notation may refer to: Capital-sigma notation, mathematical symbol for summation; Einstein notation, summation over like-subscripted indices
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.
radical symbol (for square root) 1637 (with the vinculum above the radicand) René Descartes (La Géométrie) % percent sign: 1650 (approx.) ... summation symbol 1755
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Summation#Capital-sigma notation