《晋书·志·第八章》
有余数，乘以四，再除以曰法四千五百五十九，如果得一，则为少，如果得二，则为半，如果得三，则为太。
有余不尽者四之，如日法而一为少，二为半，三为太。
If there is a remainder, multiply it by 4 and divide by 4559 again; if the result is 1, then it is a small number, if the result is 2, then it is a half, if the result is 3, then it is a large number.