The Trachtenberg Speed System of Basic Mathematics - Brossura

Trachtenberg, Jakow

Brossura

ISBN 10: 0285629166 ISBN 13: 9780285629165

Casa editrice: Souvenir Press, 1989

Riassunto

Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System.

Su questo libro

Informazioni sull?autore

Jakow Trachtenberg was a Jewish mathematician who developed the mental calculation techniques called the Trachtenberg system. He was born in Odessa, the Russian empire in 1988 and worked as an engineer in the Obukhov arms factory. He was a dedicated pacifist and instrumental in organising the Society of Good Samaritans when the First World War broke out. After the Russian revolutions of 1917, Trachtenberg fled to the Weimar Republic where he was later critical of Nazi policies and imprisoned in a concentration camp during World War II. He developed his system of mathematics during his imprisonment. He died in 1953.

Dettagli dell?edizione

• Editore: Souvenir Press
• Data di pubblicazione: 1989
• ISBN 10: 0285629166
• ISBN 13: 9780285629165
• Rilegatura: Copertina flessibile
• Lingua: Inglese
• Numero di pagine: 272
• Contatto del produttore: {language_tag:it_IT,value:"Authorised Rep Compliance Limited"}