Rainey's improved abacus
Subtitle: 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
By: by Thomas Rainey.
Publisher: E. D. Truman
Published: 1849
Place of publication: Cincinnati
Language: eng
Number of pages: 316
Subjects: Arithmetic -- Early works to 1900.
Genres: Early works to 1900.