Definition
余数 is a mathematical term. Its most common meaning is the remainder after division (e.g., 10 ÷ 3 = 3, remainder 1). It can also refer to the complement of a number in modular arithmetic or number theory. Since the English equivalents 'remainder' and 'complement' are used in different technical fields, the description clarifies when to use each sense.
n.
remainder (in arithmetic)complement (in number theory or modular arithmetic)
Examples
- ，余数。Shí chú yǐ sān, yú shù shì yī.Ten divided by three, the remainder is one.
- 余数。Zhè dào tí de yú shù shì wǔ.The remainder in this problem is five.
- ，余数。Zài mó yùnsuàn zhōng, yú shù bùnéng dà yú chúshù.In modular arithmetic, the remainder cannot be larger than the divisor.
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