Key-driven calculator course
By: by Peter L. Agnew and William R. Pasewark.
Contributors: Pasewark, William Robert, joint author.
Edition: 4th ed. for the Burroughs, comptometer, and plus calculators.
Publisher: South-western Pub. Co.
Published: 1962
Place of publication: Cincinnati
Language: eng
Number of pages: 152
Subjects: Calculators.