+Up Arrow Notation, also known as Knuth's up-arrow notation, is a powerful mathematical notation for expressing extremely large numbers. It extends [exponentiation](/wiki/exponentiation) into a sequence of [hyperoperations](/wiki/hyperoperation) beyond multiplication and power, allowing for concise representation of values that would be impractical to write out otherwise.
+## See also
+- [Tetration](/wiki/tetration)
+- [Graham's Number](/wiki/graham%27s_number)
+- [Ackermann Function](/wiki/ackermann_function)
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