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|Look up ↑ or up in Wiktionary, the free dictionary.|
The symbol ↑, an upward pointing arrow may refer to:
- ↑, upwards arrow, a Unicode arrow symbol
- ↑, uarr, a HTML or XML character entity
- ↑, a mathematical symbol for "undefined"
- ↑, a notation of Knuth's up-arrow notation for very large integers
- ↑, a mathematical game theory position Up
- ↑ or Sheffer stroke, notation for the logical statement "not both"
↑, an APL function
- "Increased" (and similar meanings), in medical notation