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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;
These are usually handwritten on the paper containing the text. Symbols are interleaved in the text, while abbreviations may be placed in a margin with an arrow pointing to the problematic text. Different languages use different proofreading marks and sometimes publishers have their own in-house proofreading marks.
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
A distinguished symbol that is the start symbol, also called the sentence symbol. A grammar is formally defined as the tuple ( N , Σ , P , S ) {\displaystyle (N,\Sigma ,P,S)} . Such a formal grammar is often called a rewriting system or a phrase structure grammar in the literature.
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 ...
The asterisk (/ ˈ æ s t ər ɪ s k / *), from Late Latin asteriscus, from Ancient Greek ἀστερίσκος, asteriskos, "little star", [1] [2] is a typographical symbol. It is so called because it resembles a conventional image of a heraldic star.
In the English-speaking world, a punctuation mark identical to the full stop is used as the decimal separator and for other purposes, and may be called a point. In computing, it is called a dot. [3] It is sometimes called a baseline dot to distinguish it from the interpunct (or middle dot). [3] [4]
The term derives from the Ancient Greek διακριτικός (diakritikós, "distinguishing"), from διακρίνω (diakrínō, "to distinguish"). The word diacritic is a noun, though it is sometimes used in an attributive sense, whereas diacritical is only an adjective.