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The first cell in each row gives a symbol; 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.);
Traffic signs, including warning signs contain many specialized symbols (see article for list) DOT pictograms; ISO 7001; Exit sign, a.k.a. "running man" [1] Gender symbols for public toilets; Map symbol. Japanese map symbols; International Breastfeeding Symbol; International Symbol of Access; Barber's pole
1. Denotes either a plus sign or a minus sign. 2. Denotes the range of values that a measured quantity may have; for example, 10 ± 2 denotes an unknown value that lies between 8 and 12. ∓ (minus-plus sign) Used paired with ±, denotes the opposite sign; that is, + if ± is –, and – if ± is +. ÷ (division sign)
In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
This is a binary operation whose value is true when its two arguments have the same value as each other. [4] Alternatively, in some texts ⇔ is used with this meaning, while ≡ is used for the higher-level metalogical notion of logical equivalence , according to which two formulas are logically equivalent when all models give them the same ...
unstrict inequality signs (less-than or equals to sign and greater-than or equals to sign) 1670 (with the horizontal bar over the inequality sign, rather than below it) John Wallis: 1734 (with double horizontal bar below the inequality sign) Pierre Bouguer
The glyph of the Semi-Square under the glyph of the Square, implying the sum of them both. Also known as the sesquisquare, square-and-a-half, and trioctile. Biquintile: Q 2: Q 2: U+0051 U+00B2: 144° 5/2 bQ: bQ: U+0062 U+0051: ±: U+00B1 Quincunx ⚻ U+26BB: 150° 12/5: Five signs apart The intersecting lines from the inner angles of the lower ...
[citation needed] Other times it is a single stroke with a diagonal line connecting the bottom to the left side. This was a version of shorthand for ampersand, and the stroke economy of this version provided ease of writing for workers while also assuring the character was distinct from other numeric or alphabetic symbols.