Ropp's easy calculator, designed for the use of farmers, mechanics, business men and laborers. Containing many convenient and valuable tables showing the value of wheat, corn, rye, oats, barley, cattle, hogs, hay, coal, lumber, merchandise; the simple and compound interest at 6, 7, 8 and 10 per cent.; measurement of boards, scantlings, timbers, saw logs, cisterns, tanks, granaries, corncribs, wagon-beds; time table, wages tables, etc. Also entirely new and practical methods of rapid calculation. By Christian Ropp, Jr 1880 [LeatherBound]

C. (Christian) Ropp

Publication Date: 2025
Language: English
Condition: New Hardcover

Sold by S N Books World, Delhi, India

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