Trachtenberg speed mathematics self-taught
By: translated and adapted by Ann Cutler and Rudolph McShane.
Contributors: McShane, Rudolph Matas, joint author.; Trachtenberg, Jakow, 1888-
Publisher: Doubleday
Published: 1975
Place of publication: Garden City, N.Y
Language: eng
Number of pages: 216
Subjects: Arithmetic.