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  2. Alt code - Wikipedia

    en.wikipedia.org/wiki/Alt_code

    However, numeric entry of Unicode characters is possible in most Unix or Unix-like OSs by pressing and releasing Ctrl + ⇧ Shift + U, and typing the hex number followed by the space bar or enter key. For example, For the registered trademark symbol ®, type Ctrl + ⇧ Shift + U, AE, ↵ Enter. For the no entry sign ⛔, type Ctrl + ⇧ Shift ...

  3. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    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. A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form.

  4. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Glossary of mathematical symbols. A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various ...

  5. List of typographical symbols and punctuation marks - Wikipedia

    en.wikipedia.org/wiki/List_of_typographical...

    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. For a far more comprehensive list of symbols and signs, see List of Unicode characters.

  6. List of Cyrillic letters - Wikipedia

    en.wikipedia.org/wiki/List_of_Cyrillic_letters

    This is a list of letters of the Cyrillic script. The definition of a Cyrillic letter for this list is a character encoded in the Unicode standard that a has script property of 'Cyrillic' and the general category of 'Letter'. An overview of the distribution of Cyrillic letters in Unicode is given in Cyrillic script in Unicode.

  7. List of XML and HTML character entity references - Wikipedia

    en.wikipedia.org/wiki/List_of_XML_and_HTML...

    In HTML and XML, a numeric character reference refers to a character by its Universal Character Set / Unicode code point, and uses the format: &#xhhhh; or. &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form. The hhhh (or nnnn) may be any number of ...

  8. List of Latin-script letters - Wikipedia

    en.wikipedia.org/wiki/List_of_Latin-script_letters

    The definition of a Latin-script letter for this list is a character encoded in the Unicode Standard that has a script property of 'Latin' and the general category of 'Letter'. An overview of the distribution of Latin-script letters in Unicode is given in Latin script in Unicode .

  9. Character encoding - Wikipedia

    en.wikipedia.org/wiki/Character_encoding

    Character encoding is the process of assigning numbers to graphical characters, especially the written characters of human language, allowing them to be stored, transmitted, and transformed using digital computers. [1] The numerical values that make up a character encoding are known as "code points" and collectively comprise a "code space", a ...