余よ数すう

noun

remaining number; remainder

General term for the number left over after subtraction or allocation. Not limited to strict mathematical contexts.

• 予よ算さんから経けい費ひを引ひいた余よ数すうはわずかだった。

  The remaining amount after subtracting expenses from the budget was small.

noun

complement (of a number)

Mathematical term for the complement of a number, often used in contexts like base complement or radix complement. Cross-referenced with 補数.

See also: 補数

• 10進しん数すうにおける9の補ほ数すうは、各かく桁けたを9から引ひいた余よ数すうである。

  The nines' complement in decimal is the remainder obtained by subtracting each digit from 9.