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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. This is defined as = a i = a m + a m + 1 + a m + 2 + ... + a n - 1 + a n
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For example, in Microsoft Word, shift +F2 copies text but in Excel, that keystroke combination lets you add or edit a cell comment. The Alt key (on PCs) is sometimes used in keyboard commands to ...
From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Summation#Capital-sigma notation
The following table lists many specialized symbols commonly used in modern mathematics, ordered by their introduction date. The table can also be ordered alphabetically by clicking on the relevant header title.
Download as PDF; Printable version; ... Summation notation may refer to: Capital-sigma notation, mathematical symbol ... Text is available under the Creative ...
In 1755, the summation symbol Σ is attested in Leonhard Euler's Institutiones calculi differentialis. [8] [9] Euler uses the symbol in expressions like: (+) = In 1772, usage of Σ and Σ n is attested by Lagrange. [8] [10] In 1823, the capital letter S is attested as a summation symbol for series. This usage was apparently widespread.
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 ...