cinefil Aug 7, 2008:

数値の丸め方 ＪＩＳ Ｚ８４０１
１．適用範囲　この規格は、科学と技術の分野において用いる十進法の数値の丸め方について規定する。
備考　この規格の対応国際規格を、次に示す．
ISO31-0:1992, Quantities and units - Part0 : General principles, Annex B (Guide to the rounding of numbers)
http://www.bsddiary.net/doc/jis-z8401.html

conejo (asker) Aug 7, 2008:

JIS Z 8401 I looked for it, and found many references to the standard, but was unable to find the standard itself.

Cary Strunk Aug 7, 2008:

Not trying to be difficult, but did you try to find JIS Z 8401?

michiko tsum (X) Aug 7, 2008:

I think cinefill is right.

cinefil Aug 6, 2008:

数値により→数値より？