Key-driven calculator course
By: by Raymond C. Goodfellow, Rosann Scholl [and] Albert Stern.
Contributors: Scholl, Rose Ann, 1898- joint author.; Stern, Albert, joint author.
Publisher: South-western publishing company
Published: 1936
Place of publication: Cincinnati; New York [etc.]
Language: eng
Number of pages: 182
Subjects: Calculators.
Notes: "Test[s]" (4 fold. l.) laid in.