複ふく素そ

noun which may take the genitive case particle 'no'

complex

Used as a no-adjective in mathematical contexts, modifying nouns like 数 (number), 関数 (function), 平面 (plane).

• 複ふく素そ数すうの計けい算さんは難むずかしい。

  Calculations with complex numbers are difficult.

noun

complex number

Abbreviation of 複素数 (complex number). Common in technical writing.

• この方ほう程てい式しきの解かいは複ふく素そである。

  The solution to this equation is a complex number.