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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.
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]
The hyphen ‐ is a punctuation mark used to join words and to separate syllables of a single word. The use of hyphens is called hyphenation. [1]The hyphen is sometimes confused with dashes (en dash –, em dash — and others), which are wider, or with the minus sign −, which is also wider and usually drawn a little higher to match the crossbar in the plus sign +.
Hyphen: Dash, Hyphen-minus-Hyphen-minus: Dash, Hyphen, Minus sign ☞ Index: Manicule, Obelus (medieval usage) · Interpunct: Full-stop, Period, Decimal separator, Dot operator ‽ Interrobang (combined 'Question mark' and 'Exclamation mark') Inverted question and exclamation marks ¡ Inverted exclamation mark: Exclamation mark, Interrobang ...
Spaces within a formula must be directly managed (for example by including explicit hair or thin spaces). Variable names must be italicized explicitly, and superscripts and subscripts must use an explicit tag or template. Except for short formulas, the source of a formula typically has more markup overhead and can be difficult to read.
The correct encoding of the minus sign "−" is different from all varieties of hyphen "-‐‑", [4] as well as from en-dash "–". To really get a minus sign, use the "minus" character "−" (reachable via selecting "Math and logic" in the drop-down list below the edit box or using {{ subst:minus }} ) or use the " − " entity.
{{Delink question hyphen-minus|1=input text}} Delinks links to ? and -, for fields where these characters are often used as placeholders, and where links to the articles on the punctuation characters aren't useful. You may substitute this template - that is, if used as {{subst:Delink question hyphen-minus}}, the resulting wikicode is "clean".
This essay explains use of the non-breaking hyphen character ‑, U+2011, coded by ‑ or ‑. Once displayed in a page, the non-breaking hyphen can be copied into words, or abbreviations, so they will not wrap at the hyphen character, such as an interstate highway symbol, "I‑94", which would always wrap to the next line as a whole word.