00727cam a22001931 4500 c 98000137 DLC 20260227111038.0 801210r1898 nyua 00010 eng c 98000137 //r944 DLC DLC DLC QA103 .F895 1898 French, J. H. (John Homer), 1824-1888. Mental arithmetic; combining a complete system of rapid computations, with correct logic of the solutions of problems and the analyses of processes. By John H. French ... New York, Cincinnati [etc.] American book company [c1898] vi, [7]-180 p. illus. 17 cm. French's mathematical series Mental arithmetic. 13104 13104