The Trachtenberg speed system of basic mathematics
By: translated and adapted by Ann Cutler and Rudolph McShane.
Contributors: McShane, Rudolph Matas.
Publisher: Greenwood Press
Published: 1981
Place of publication: Westport, Conn
Language: eng
Number of pages: 270
Subjects: Trachtenberg, Jakow, 1888-; Arithmetic.
Notes: Reprint. Originally published: Garden City, N.Y. : Doubleday, 1960.