ENGLISH

The Trachtenberg Speed System Of Basic Mathematics

By Jakow Trachtenberg , Ann Cutler , Rudolph McShane

Book information

Publisher
Souvenir
Year
1999
ISBN
0285629166, 9780313232008, 9780285629165, 0313232008
LCC
QA115 .C99 1981
Open Library ID
OL4267436M
Language
english
Format
DJVU
Filesize
1 MB (1450511 bytes)
Edition
New edition
Pages
269\269
DPI
600
Orientation
no
Scanned
yes
Time added
2012-03-17 06:00:00

Description

The complete system of the Trachtenberg method of mathematics which makes possible high-speed arithmetical calculations with a remarkable degree of accuracy. This method is not only speedy but simple. Once one has mastered the rules, lightning calculation is as easy as reading a story. It looks like magic, but the rules are based on sound logic.

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