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.
"Sobre este título" puede pertenecer a otra edición de este libro.
Gastos de envío:
GRATIS
A Estados Unidos de America
Descripción Paperback. Condición: new. Paperback. Ever find yourself struggling to check a bill or tax on a payslip? The Trachtenberg Speed System provides a course in refining basic mathematics skills to tackle large sums before simplifying to increase concentration and ability in day-to-day arithmetic.The Trachtenberg system has been described as the 'shorthand of mathematics' and only requires the ability to count from one to eleven. Using a series of simplified keys, it allows anyone to master numbers and calculations giving greater speed, ease in handling numbers and increasing 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. A perfect entry into gaining confidence with numbers. Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System. Shipping may be from multiple locations in the US or from the UK, depending on stock availability. Nº de ref. del artículo: 9780285629165
Descripción paperback. Condición: New. Language: ENG. Nº de ref. del artículo: 9780285629165
Descripción Paperback. Condición: New. BRAND NEW ** SUPER FAST SHIPPING FROM UK WAREHOUSE ** 30 DAY MONEY BACK GUARANTEE. Nº de ref. del artículo: 9780285629165-GDR
Descripción Paperback. Condición: Brand New. 272 pages. 7.80x5.08x0.79 inches. In Stock. Nº de ref. del artículo: __0285629166
Descripción Condición: New. In. Nº de ref. del artículo: ria9780285629165_new
Descripción Paperback. Condición: new. New. Fast Shipping and good customer service. Nº de ref. del artículo: Holz_New_0285629166
Descripción Paperback / softback. Condición: New. New copy - Usually dispatched within 4 working days. Nº de ref. del artículo: B9780285629165
Descripción Condición: new. Nº de ref. del artículo: IHPWJBIJZP
Descripción Condición: New. 1989. New Ed. Paperback. Translator(s): McShane, R.; Cutler, A. Num Pages: 272 pages. BIC Classification: PB. Category: (G) General (US: Trade). Dimension: 198 x 128 x 20. Weight in Grams: 188. . . . . . Nº de ref. del artículo: V9780285629165
Descripción Condición: New. 1989. New Ed. Paperback. Translator(s): McShane, R.; Cutler, A. Num Pages: 272 pages. BIC Classification: PB. Category: (G) General (US: Trade). Dimension: 198 x 128 x 20. Weight in Grams: 188. . . . . . Books ship from the US and Ireland. Nº de ref. del artículo: V9780285629165