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Více o knize
First developed during WW2, the Trachtenberg speed system makes possible high-speed arithmetical calcula tions with a remarkable degree of accuracy. The system has e ven been known to beat computer calculations - in some insta nces - in terms of speed '
Nákup knihy
The Trachtenberg speed system of basic mathematics translated and adapted by Ann Cutler and Rudolph McShane, Ann Cutler, Rudolph McShane
- Jazyk
- Rok vydání
- 1962
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- Titul
- The Trachtenberg speed system of basic mathematics translated and adapted by Ann Cutler and Rudolph McShane
- Jazyk
- anglicky
- Autoři
- Ann Cutler, Rudolph McShane
- Rok vydání
- 1962
- Vazba
- pevná
- Počet stran
- 270
- ISBN10
- 0285626787
- ISBN13
- 9780285626782
- Série
- Štítky
- Naučná literatura, Věda & Matematika, Příručky a návody, Věda, Matematika, Vzdělávání & školství
- Anotace
- First developed during WW2, the Trachtenberg speed system makes possible high-speed arithmetical calcula tions with a remarkable degree of accuracy. The system has e ven been known to beat computer calculations - in some insta nces - in terms of speed '