Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 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

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

tetra- +‎ (itera)tion; coined by Reuben Goodstein

Examples

Comments

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  • As exponentiation is to multiplication, tetration is to exponentiation. Quite an interesting operation, because no one has yet found a well behaved way to generalize tetration beyond the natural numbers. Tetration is notated as a superscript before the number to be tetrated.

    July 11, 2008