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The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;
Hazard symbols; List of mathematical constants (typically letters and compound symbols) Glossary of mathematical symbols; List of physical constants (typically letters and compound symbols) List of common physics notations (typically letters used as variable names in equations) Rod of Asclepius / Caduceus as a symbol of medicine
Notation for differentiation, common representations of the derivative in calculus; Big O notation, used for example in analysis to represent less significant elements of an expression, to indicate that they will be neglected; Z notation, a formal notation for specifying objects using Zermelo–Fraenkel set theory and first-order predicate logic
In publishing, a note is a brief text in which the author comments on the subject and themes of the book and names supporting citations.In the editorial production of books and documents, typographically, a note is usually several lines of text at the bottom of the page, at the end of a chapter, at the end of a volume, or a house-style typographic usage throughout the text.
Some sources distinguish "diacritical marks" (marks upon standard letters in the A–Z 26-letter alphabet) from "special characters" (letters not marked but radically modified from the standard 26-letter alphabet) such as Old English and Icelandic eth (Ð, ð) and thorn (uppercase Þ, lowercase þ), and ligatures such as Latin and Anglo-Saxon Æ (minuscule: æ), and German eszett (ß; final ...
Another punctuation common in the Indian Subcontinent for writing monetary amounts is the use of /- or /= after the number. For example, Rs. 20/- or Rs. 20/= implies 20 whole rupees. Thai, Khmer, Lao and Burmese did not use punctuation until the adoption of punctuation from the West in the 20th century. Blank spaces are more frequent than full ...
In practice, writing systems are classified according to the primary type of symbols used, and typically include exceptional cases where symbols function differently. For example, logographs found within phonetic systems like English include the ampersand & and the numerals 0 , 1 , etc.—which correspond to specific words ( and , zero , one ...
Some scholars used the obelus and various other critical symbols, in conjunction with a second symbol known as the metobelos ("end of obelus"), [15] variously represented as two vertically arranged dots, a γ-like symbol, a mallet-like symbol, or a diagonal slash (with or without one or two dots). They indicated the end of a marked passage.