@unpublished{Peirce1912,
author = "Charles S. Peirce",
title = "{Secundal Computation, Rules. MS [R] 54}",
year = 1912,
abstract = "{Robin Catalogue:
A. MS., n.p., [early 1912], 8 pp., with 3 rejected pages; plus 1 folded sheet (“rules for addition and subtraction”).
Notational explanation and accompanying statement of the rules for multiplication, division, addition, and subtraction. The extraction of square roots.
}",
keywords = "Number, Addition, Subtraction, Secundal Computation, Multiplication, Division, Logarithm, Secundal System, Listing Number",
language = "English",
note = "From the Commens Bibliography | \url{http://www.commens.org/bibliography/manuscript/peirce-charles-s-1912-secundal-computation-rules-ms-r-54}"
}
