How to use adding and calculating machines
Subtitle: full-keyboard adding machine, ten-key adding machine, printing calculator, rotary calculator, key-driven calculator
By: [by] Arthur L. Walker, J. Kenneth Roach [and] J. Marshall Hanna.
Contributors: Roach, J. Kenneth, joint author.; Hanna, J. Marshall, 1907- joint author.
Edition: 3d ed.
Publisher: Gregg Division, McGraw-Hill
Published: 1967
Place of publication: New York
Language: eng
Number of pages: 250
Subjects: Calculators -- Problems, exercises, etc.