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- 270 Seiten
- 10 Lesestunden
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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 '
Buchkauf
The Trachtenberg speed system of basic mathematics translated and adapted by Ann Cutler and Rudolph McShane, Ann Cutler, Rudolph McShane
- Sprache
- Erscheinungsdatum
- 1962
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- (Hardcover)
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- Titel
- The Trachtenberg speed system of basic mathematics translated and adapted by Ann Cutler and Rudolph McShane
- Sprache
- Englisch
- Autor*innen
- Ann Cutler, Rudolph McShane
- Erscheinungsdatum
- 1962
- Einband
- Hardcover
- Seitenzahl
- 270
- ISBN10
- 0285626787
- ISBN13
- 9780285626782
- Reihe
- Schlagwörter
- Sachbücher, Wissenschaft & Mathematik, Handbücher und Anleitungen, Wissenschaft, Mathematik, Bildung
- Beschreibung
- 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 '