Key to the Progressive practical arithmetic
Subtitle: including analyses of the miscellaneous examples in the Progressive intellectual arithmetic : for teachers only
Contributors: Robinson, Horatio N. (Horatio Nelson), 1806-1867; Robinson, Horatio N. (Horatio Nelson), 1806-1867
Series: Robinson's series of mathematics
Publisher: American Book Company
Published: 1891
Place of publication: New York
Language: eng
Number of pages: 190
Subjects: Arithmetic; Early works to 1900
Other titles: Progressive practical arithmetic.; Progressive intellectual arithmetic.