论数值修约

数值修约的已有定义是从其现象来定义的。现在提出的定义是从数值修约的本质(用加减法使尾数化零)来定义的。因而按定义可直接推导得到种种结论。并可以此来定义各种数值修约规则。对一个数值连续修约的可行性作了解释。对修约间隔亦有论述。本文提出了五轮换规则的想法。关于两个数值修约规则的中文名称,主要是指出它们用常量(四、五、六)表示变量,因而产生逻辑上的错误。本文也讨论产生错误的原因,并同时指出其他错误。新名称的提出已不犯原有错误。

On Arithmetic Rounding

The known definition of arithmetic rounding came from the apperance of arithmetic rounding.The now-proposed definition of arithmetic rounding comes from the essence of arithmetic rounding.The essence of arithmetic rounding is the operation of addition or subtraction so that odd amount is changed into zeros.Various conclusions can be directly deduced by the now-proposed definition.Various rules of arithmetic rounding can be defined by the now-proposed definition of arithmetic rounding.Continuous rounding off...