減げん基き数すうの補ほ数すう

noun

diminished radix complement; radix-minus-one complement

A computing term for the complement obtained by subtracting each digit from the radix minus one. Used in binary (ones' complement) and decimal (nines' complement) systems.

• 二に進しん法ほうでは、減げん基き数すうの補ほ数すうは1の補ほ数すうと呼よばれる。

  In binary, the diminished radix complement is called ones' complement.

• 十じっ進しん法ほうの減げん基き数すうの補ほ数すうは9の補ほ数すうである。

  The diminished radix complement in decimal is the nines' complement.