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Speed Math

Speed Math
Website  :  
http://www.speed-math.com
Trachtenberg Speed Math software based on Jakow Trachtenberg's speed math algorithms developed during WW II while imprisoned in Nazi camps...

 

2 Education Categories - Speed Math

Mathematics (278 other websites)
Trachtenberg Speed Math software based on Jakow Trachtenberg's speed math algorithms...
Maths Software (37 other websites)
Trachtenberg Speed Math Software based on Jakow Trachtenberg's speed math algorithms...

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