MATHEMATICS (MS 1-278)
The four distinguishing characteristics of the system of secundals. CSP's version of the secundal system, with its several rules and examples of their application.
Mathematics, numerical Notation, notation and analysis (see also Decimal system; Quantity; Secundal system; Sextal system), Secundal system of enumeration
pp. 1-12, with variant pages 7 and 9
MATHEMATICS / NUMERICAL NOTATION AND ANALYSIS