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Trachtenberg Speed Math: Learn mental math and master mathematics ...

Trachtenberg Speed Math software based on Jakow Trachtenberg's speed math algorithms developed during WW II while imprisoned in Nazi camps.

www.speed-math.com/ -

Amazon.com: Speed Mathematics: Secret Skills for Quick Calculation ...

Start reading Speed Mathematics: Secrets Skills for Quick Calculation on your Kindle in .... Speed Math for Kids: The Fast, Fun Way To Do Basic Calculations ...

www.amazon.com › ...

Books for speed math

Speed Mathematics Simplified - Edward Stoddard - 1994 - 308 pages

Speed Mathematics Using the Vedic System - Vali Nasser - 2004 - 228 pages

Speed Math for Kids: The Fast Fun Way to Do ... - Bill Handley - 2007 - 258 pages