tetration

超-4运算

发音

UK /tɛˈtɹeɪʃn̩/
其它
US /tɛˈtɹeɪʃən/

词形变化

tetrations 复数 tetrations

释义与例句

n.
  1. 1.

    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.

    超-4运算

    不可数

词源

PIE word *kʷetwóres From tetra- (prefix meaning ‘four’) + (itera)tion, from the fact that tetration is in fourth place after addition, multiplication, and exponentiation. The word was coined by the English mathematician Reuben Goodstein (1912–1985).

来源：wiktionary