Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNotes on Numeration: Arithmetic on a Checkerboard Numerals for the Blind.AuthorsJones, Phillip S.PublicationSchool Science & Mathematics, 1978, Vol 78, Issue 6, p481ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1978.tb09404.x