Rapid math without a calculator
By: A. Frederick Collins.
Contributors: Collins, A. Frederick 1869-
Edition: 1987 ed.
Publisher: Citadel Press
Published: 1987
Place of publication: Secaucus, N.J
Language: eng
Number of pages: 120
Subjects: Ready-reckoners.
Notes: Rev. ed. of: Magic with figures.
Includes index.