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[软件] [原创]四舍六入(数值修约)-exce版 [复制链接]

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同round()用法相似ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
安装:运行压缩包中的文件"四舍六入独立版.exe",自动安装ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
使用:在单元格中输入:“=roundy(2.45,1)”(不包含引号),显示结果为:2.4ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
补充说明:ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
1.此函数中修约位数指小数点后X位,并不是指修约有效位数。所以不要拿整数来修。ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
2.此函数指能对有限位数的数值修约,excel中超过12为运算都会出错,超过15位单元格都不显示,我们能说它算错了吗?只能说他没提供超出这个范围的功能。ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
3.由于浮点运算(至今没搞明白)的原因,修约结果会有型入2.4000000012等值,当将此结果与其他值进行二次计算时(二次修约)不可避免的产生了误差。解决方法为在此函数的外层加上Round再修。ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
'---------201203281516ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
重写了“四舍六入”函数(采用字符串分析法避免了浮点运算造成的误差),欢迎下载测试。ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
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另:此贴已合并到下面链接的帖子中,获得最新版请移步:ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
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'--------附件-------ôR!†9m#šß/bbs.3c3t.com*Ì.¥½°Bø
附件:您需要登录才可以下载或查看附件。没有帐号? 注册
最后编辑baomaboy 最后编辑于 2012-03-31 18:23:14
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