Instant math, based on the Trachtenberg speed system of basic mathematics.
Title:
Instant math, based on the Trachtenberg speed system of basic mathematics.
Author:
Cutler, Ann.
Personal Author:
Edition:
[First edition].
Publication Information:
Garden City, N.Y. : Doubleday [1962]
Physical Description:
60 pages ; 27 cm
Language:
English
Subject Term:
Format :
Book