tetration
English
Etymology
tetra- + (itera)tion; coined by Reuben Goodstein
Noun
tetration (usually uncountable, plural tetrations)
- (arithmetic) The arithmetic operator consisting of repeated exponentiation, by analogy with exponentiation being repeated multiplication and multiplication being repeated addition, ba denoting a to the power of a to the power of ... to the power of a, in which a appears b times. Notation: ba, or
Synonyms
- exponential map, hyper4, hyperpower, power tower, superexponentiation
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