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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.
Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet.In the system of Greek numerals, it has a value of 200.
Uppercase and lowercase Greek letter sigma, from the times.ttf font included with standard XOrg X Windows installations. Intended to replace Image:Sigma.png.
The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics. Additionally, the subsequent columns contains an informal explanation, a short example, the Unicode location, the name for use in HTML documents, [1] and the LaTeX symbol.
English: Greek letter sigma, in a style modelled after classical Attic inscriptions. Date: ... You can copy, modify, distribute and perform the work, even for ...
This template displays the Greek letter sigma for use in mathematical equations. Template parameters [Edit template data] Parameter Description Type Status Uppercase uc uppercase Whether or not the character displayed is uppercase. Unknown optional No italic noitalic Whether or not the character displayed is not italic. Unknown optional var var Whether to use the variation of the character for ...
This template displays the Greek letter sigma for use in mathematical equations. Template parameters [Edit template data] Parameter Description Type Status No italic noitalic Whether or not the character displayed is not italic. Unknown optional bold bold Whether to use the variation of the character that is bold. Note: Not every symbol has a corresponding bold character. Unknown optional See ...
Greek symbols are used as symbols in mathematics, physics and other sciences. Many symbols have traditional uses, such as lower case epsilon (ε) for an arbitrarily small positive number , lower case pi (π) for the ratio of the circumference of a circle to its diameter , capital sigma (Σ) for summation , and lower case sigma (σ) for standard ...