Compound Addition teaches to collect of diverse denomination into one sum. Rule: Place the new number . . . Compound Subtraction teaches
N,p. (New England): ca. 1820. Folio. 300 x 185 mm., [12 x 7 ½ inches]. 44 pp. Self-wrappers. Watermark paper "Crown (over) GR (over) 1813". Very attractive and legible manuscript containing written rules and examples for compound addition, compound subtraction, reduction, multiplication of Federal Money, division of Federal Money, compound..... More