Rainey's improved abacus: An explanatory treatise on the theory and practice of arithmetic and mensuration ...

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Rainey's Improved Abacus: An Explanatory Treatise On The Theory And Practice Of Arithmetic And Mensuration ; In Which The General Principles Involved In Practical Calculations Are Thoroughly Elucidated And Illustrated By Numerous Analytic And Abbreviated Examples

Thomas Rainey

E. D. Truman, 1849

Business & Economics; Business Mathematics; Arithmetic; Business & Economics / Business Mathematics; Mathematics / Arithmetic; Mathematics / General