Imperial Edition of the Complete Library in the Four Branches of Literature

Table 5, Page 13

This table provides common logarithms (base 10) for five-digit integers. The right-hand column in each table represents the logarithm: the first digit (4) is the characteristic, indicating the number's magnitude, while the following ten digits are the mantissa (the decimal part). For example, the logarithm of 21,751 is calculated as 4.3374798693.