プラスマイナス記号 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "プラスマイナス記号" in Japanese language version.

refsWebsite
Global rank Japanese rank
6th place
146th place

archive.org

  • Cajori, Florian (1928), A History of Mathematical Notations, Volume I: Notations in Elementary Mathematics, Open Court, p. 245