speed system basic von trachtenberg jakow (52 Ergebnisse)

Paperback. Zustand: Very Good. Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System. Ever find yourself struggling to check a bill or a payslip? With The Trachtenberg Speed System you can. Described as the 'shorthand of mathematics', the Trachtenberg system only requires the ability to count from one to eleven. Using a series of simplified keys it allows anyone to master calculations, giving greater speed, ease in handling numbers and increased accuracy. Jakow Trachtenberg believed that everyone is born with phenomenal abilities to calculate. He devised a set of rules that allows every child to make multiplication, division, addition, subtraction and square-root calculations with unerring accuracy and at remarkable speed. It is the perfect way to gain confidence with numbers. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.

Paperback. Zustand: 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.

Paperback. Zustand: Good. No Jacket. High speed arithmetical calculations made possible. Paperback, light wear to covers, pages browning with age, some foxing to inside cover, owner name inside front cover, tight binding, good.

Hardcover. Zustand: Good. Reprint. VG condition book with dust jacket. DJ is clean, has fresh colours and has little wear to edges. Book has clean contents with light even toning.

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

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

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

Hardcover. Zustand: Very Good. Zustand des Schutzumschlags: 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.

Hardcover. Zustand: Very Good. Zustand des Schutzumschlags: Unclipped: fair. Presumed first English translation; 270 p., clean and unmarked on strong unaged paper; binding firm; boards have minimal wear; glossy d.j. is sunned and foxed, with light chipping at corners and crown and foot of spine.

Unknown. Zustand: Very Good. Minor scuffing on cover.

Hardcover. Zustand: Good+. Zustand des Schutzumschlags: Good. Some shelf wear to the spine edges and corners. The dust jacket has chips, tears, and fading to the edges.; 5.5 X 0.62 X 8.5 inches; 272 pages.

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.

Paperback. Zustand: Brand New. 272 pages. French language. 7.95x5.28x0.87 inches. In Stock.

Hardcover. Zustand: Very Good. Zustand des Schutzumschlags: 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.