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{{wiktionary|↑|up}}
The symbol '''↑''', an '''upward pointing arrow''', also called '''up arrow''', '''uparrow''', or '''upwards arrow''', may refer to:
==Notation==
* ↑, a mathematical symbol for "[[Undefined (mathematics)#Notation using ↓ and ↑|undefined]]"
* ↑, a mathematical symbol for "[[Limit (mathematics)|approaching from below]]"
* ↑, a notation of [[Knuth's up-arrow notation]] for very large integers
* ↑, a mathematical [[Up (game theory)|game theory position ''Up'']]
* ↑ or [[Sheffer stroke]], the logical connective "not both" or NAND
* <code>↑</code>, the [[APL_syntax_and_symbols|APL function]] 'take'
* "Increased" (and similar meanings), in [[List of medical abbreviations#Arrows|medical notation]]
* ↑, a chemical symbol for production of gas, which bubbles up.
==Character representations==
* ↑, upwards arrow, a Unicode [[Arrow (symbol)#Arrows in Unicode|arrow symbol]]
* ↑, <code>&amp;uarr;</code>, a HTML or XML [[List of XML and HTML character entity references|character entity]]
* ↑, codepoint 8A (hex) in EBCDIC [[Code page 293]], used for writing APL
* ↑, the glyph for character 94 (decimal) in ASCII until 1967, when [[Caret#History|it was replaced by the caret (^)]].
==See also==
* [[Ꙟ]], an archaic Romanian Cyrillic letter
* [[Arrow keys]], on computer keyboards
* [[Arrow (disambiguation)]]
** [[↓ (disambiguation)]]
** [[→ (disambiguation)]]
** [[← (disambiguation)]]
* [[Up (disambiguation)]]
{{disambiguation}}