- Chinese name
- Mantissa
- Foreign name
- Last digit，mantissa
- Pinyin
- w ě i shù
- Basic explanation
- Last digit (last digit) of natural number (single digit), number behind decimal point, etc
- Common places
- Digital string, mobile phone number, ID card number
- one
It refers to the last digit (single digit, last digit) of natural number;
- two
Refers to the number of rational numbers whose floating point is behind the decimal point;
three Common logarithm Decimal of Part, which is used for scientific enumeration, and its representation method is Mantissa x Base ^ Exponent (mantissa x base ^ index); 4. In real life, it also refers to the last few digits of the bookkeeping number and the decimal items in the settlement account. [1]
Zhao Shuli's《 Sanliwan 》34: "Fan Lingzhi and Li Shijie ended the work account of this year and the balance of each household distribution in Dongfang, and concluded a new account for the next year." 《 History manuscript of the Qing Dynasty ·Shi Xianzhi 1: "Only the mantissa of the shadow in the six tables is uneven. Mei Xuan said: 'It means high scenery and low appearance, but the mantissa is hard to be true, and it has suffered since ancient times.'" 
