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- Title
- Trachtenberg Speed Math: Learn mental math and master mathematics with this maths software
- Meta Description
- Trachtenberg Speed Math software based on Jakow Trachtenberg's speed math algorithms developed during WW II while imprisoned in Nazi camps.
- Meta Keywords
- Trachtenberg, mental, math, mathematics, maths, speed, arithmetic, Trachtenberg Speed System of Basic Mathematics, Trachtenberg Speed Math, mental math, math software