A money object, however, can encode its own rules for rounding, which means that most of the time you don't have to be aware of the rounding rules while you are working with money.

货币对象可以封装自己的四舍五入规则，这意味着当你处理货币类型时，通常不用去考虑货币的四舍五入问题。

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This paper summaries the expression way and judgment method of the numerical value limit, as well as the numerical value correction and rounding rules combined with practical test data.

结合实际试验数据，对数字修约规则、极限数值的表示方法和判定方法等标准进行了概括。

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