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The Trachtenberg speed system of basic mathematics translated and adapted by Ann Cutler and Rudolph McShane

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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 '

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The Trachtenberg speed system of basic mathematics translated and adapted by Ann Cutler and Rudolph McShane, Ann Cutler, Rudolph McShane

Taal
Jaar van publicatie
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
Taal
Engels
Jaar van publicatie
1962
Formaat
Hardcover
Aantal pagina's
270
ISBN10
0285626787
ISBN13
9780285626782
Reeks
Aantekening
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 '