複ふく素そ数すう

noun

complex number

Mathematical term for a number of the form a + bi, where a and b are real numbers and i is the imaginary unit.

• 複ふく素そ数すうは実じっ数すうと虚きょ数すうの和わで表あらわされる。

  A complex number is expressed as the sum of a real number and an imaginary number.

• 高こう校こう数すう学がくで複ふく素そ数すう平へい面めんを学まなぶ。

  In high school math, we study the complex plane.