- 反对数 fǎnduìshù antilogarithmantilogarithm; the number of which a given value is the logarithm
- 对数函数 duìshùhánshù logarithmic functiona mathematical function that is the inverse of an exponential function
- 相对数字 xiāngduìshùzì relative numberrelative number or value, often expressed as a ratio or percentage in contrast to an absolute value
- 绝对数字 juéduìshùzì absolute numberabsolute number; a figure used as a baseline for comparison rather than a relative or percentage value