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  2. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    Output is suspended until restarted by the Control-Q key. 9 Control-U was originally used by Digital Equipment Corporation computers to cancel the current line of typed-in text. Other manufacturers used Control-X for this purpose. 10 Control-X was commonly used to cancel a line of input typed in at the terminal.

  3. Mathematical operators and symbols in Unicode - Wikipedia

    en.wikipedia.org/wiki/Mathematical_operators_and...

    The Miscellaneous Mathematical Symbols-B block (U+2980–U+29FF) contains miscellaneous mathematical symbols, including brackets, angles, and circle symbols. Miscellaneous Mathematical Symbols-B [1] Official Unicode Consortium code chart (PDF)

  4. Table of keyboard shortcuts - Wikipedia

    en.wikipedia.org/wiki/Table_of_keyboard_shortcuts

    In computing, a keyboard shortcut is a sequence or combination of keystrokes on a computer keyboard which invokes commands in software.. Most keyboard shortcuts require the user to press a single key or a sequence of keys one after the other.

  5. Symbolic Link (SYLK) - Wikipedia

    en.wikipedia.org/wiki/SYmbolic_LinK_(SYLK)

    F; cl n c2 cl one of the following 1-character formatting codes: D default C continuous cross-cell display E scientific exponentiation F fixed decimal point

  6. Wikipedia : Codes for keyboard characters

    en.wikipedia.org/wiki/Wikipedia:Codes_for...

    There are also key chord combinations, such as keying an en dash ('–') by holding ALT+0150 on the numeric keypad of MS Windows computers. The HTML codes can be used where a literal character would cause confusion, such as using code "[" or "]" to show the left or right square bracket ('[' or ']').

  7. 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+U, 26D4 ...

  8. 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 Coded 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.

  9. Element (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Element_(mathematics)

    The expressions "A includes x" and "A contains x" are also used to mean set membership, although some authors use them to mean instead "x is a subset of A". [2] Logician George Boolos strongly urged that "contains" be used for membership only, and "includes" for the subset relation only. [3] For the relation ∈ , the converse relation ∈ T ...