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It’s easy to make any accent or symbol on a Windows keyboard once you’ve got the hang of alt key codes. If you’re using a desktop, your keyboard probably has a number pad off to the right ...
This usage probably developed as a typed alternative to the libra symbol used for the same purpose in written mathematics, which is an equal sign with the upper bar replaced by a bar with an upward hump, bump, or loop in the middle (︍︍♎︎) or, sometimes, a tilde (≃). [citation needed] The symbol "≈" is also used for this purpose.
You can customize the character sets that are shown, e.g., to add more phonetic alphabet symbols, by following the directions given here. Enable the Input menu (via the 'Input Sources' panel of the 'Keyboard' System Preferences). This gives access to: the Keyboard Viewer, which can be used to view and input characters accessed via the ...
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script .
It is primarily used to type characters that are used less frequently in the language that the keyboard is designed for, such as foreign currency symbols, typographic marks and accented letters. [1] The AltGr key is used to access a third and a fourth [a] grapheme for most keys.
Arrow (symbol) § Arrows in Unicode; Mathematical operators and symbols in Unicode; Wikipedia:Manual of Style (mathematics) For more on special characters: Unicode character name index can be used to find the Unicode number of a character. W3C list of MathML characters indexed by code or name
On IBM PC compatible personal computers from the 1980s, the BIOS allowed the user to hold down the Alt key and type a decimal number on the keypad. It would place the corresponding code into the keyboard buffer so that it would look (almost) as if the code had been entered by a single keystroke.
U+002B + PLUS SIGN – various symbols with strokes extending to left, up, right and down. U+002D - HYPHEN-MINUS – probably an ASCII character the most used for approximations. A conventional representation of hyphen , an approximation of dash (especially as -- and --- ), minus sign − and line drawing horizontal line ─ (see the image).