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The symbol -, known in Unicode as hyphen-minus, is the form of hyphen most commonly used in digital documents. On most keyboards, it is the only character that resembles a minus sign or a dash, so it is also used for these. [1] The name hyphen-minus derives from the original ASCII standard, [2] where it was called hyphen (minus). [3]
Typographical symbols and punctuation marks Symbol Unicode name of the symbol [a] Similar glyphs or concepts See also ́: Acute (accent) Apostrophe, Grave, Circumflex Aldus leaf: Dingbat, Dinkus, Hedera, Index: Fleuron: ≈: Almost equal to: Tilde, Double hyphen: Approximation, Glossary of mathematical symbols, Double tilde & Ampersand: plus sign
A horizontal bar (also called quotation dash) [7] or the em dash, but not the en dash, introduces quoted text. In informal contexts, a hyphen-minus (-) is often used as a substitute for an en dash, as is a pair of hyphen-minuses (--) for an em dash, because the hyphen-minus symbol is readily available on most keyboards. [8]
Wikipedia uses four: the hyphen (sometimes called the hyphen-minus), the minus sign, the en dash, and the em dash. Hyphen (- or -, MOS:HYPHEN; known as the hyphen-minus in ASCII and Unicode) are used in many ways on Wikipedia. They are the only short, horizontal dash-like character available as a separate key on most keyboards. They are used:
The hyphen-minus symbol (-) is the form of hyphen most commonly used in digital documents. On most keyboards, it is the only character that resembles a minus sign or a dash so it is also used for these. [27] The name hyphen-minus derives from the original ASCII standard, [28] where it was called hyphen–(minus). [29]
HTML and XML provide ways to reference Unicode characters when the characters themselves either cannot or should not be used. A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name.
The UK/Ireland keyboard has both symbols engraved: the broken bar is given as an alternate graphic on the "grave" key; the solid bar is on the backslash key. The broken bar character can be typed (depending on the layout) as AltGr+` or AltGr+6 or AltGr+⇧ Shift+\ on Windows and Compose!^ on Linux. It can be inserted into HTML as ¦
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.