trachtenberg speed system basic de jakow trachtenberg (39 resultados)

Paperback. Condición: Used; Good. **SHIPPED FROM UK** We believe you will be completely satisfied with our quick and reliable service. All orders are dispatched as swiftly as possible! Buy with confidence! Greener Books.

Paperback. Condición: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.

Soft cover. Condición: New. ISBN: 9780285629165 N.A.

Paperback. Condición: Good. First edition thus. Ink marks on front and back of cover. Creased at spine and generally scuffed.

Condición: very good. Gut/Very good: Buch bzw. Schutzumschlag mit wenigen Gebrauchsspuren an Einband, Schutzumschlag oder Seiten. / Describes a book or dust jacket that does show some signs of wear on either the binding, dust jacket or pages.

Paperback. Condición: VG-. 1st Thus. Pan MP86. Book is in very good minus condition with minor but noticeable signs of wear and/or age.

Hardcover. Condición: Very Good. Estado de la sobrecubierta: Good. [Trachtenberg, Jakow] The Trachtenberg speed system of basic mathematics / translated and adapted by Ann Cutler and Rudolph McShane. London: Souvenir Press, November 1963 reprint. Hardback, VG, in GOOD, unclipped dustjacket, bumped to corners, with shelfwear to edges, small nicks and general age-grubbiness. Brown cloth with gilt lettering to spine. Binding strong. 270pp., mathematical equations. Contents clean and bright. The Trachtenberg system is a system of rapid mental calculation. The system consists of a number of readily memorized operations that allow one to perform arithmetic computations very quickly. It was developed by the Ukrainian engineer Jakow Trachtenberg in order to keep his mind occupied while being in a Nazi concentration camp. RightWayUp Books aims to provide accurate and detailed descriptions. All images are of the actual book for sale - no stock images are ever used. Thank you for looking at this listing.

Softcover. Condición: Very Good. Minor scuffing on cover.

Hardcover. Reprint. Illustrated. Important reference work. Very scarce in this condition. Fine copy in near fine (very light shelf wear) dust jacket (in mylar). 270 pps.

Hardcover. Condición: Very Good. Estado de la sobrecubierta: Very Good. First Edition. Near Fine condition in VG dust jacket. 1960 Doubleday hardcover 1st thus edition, 1st Doubleday printing. The covers are in great shape though the spine ends are indented. The binding is square and tight. Interior pages are clean. Jacket has some edge wear and tiny tears. USPS electronic tracking number issued free of charge. 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.

hardcover. Condición: Very Good. Hardback--excellent condition--no dust cover.