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Description
The Mental Calculator's HandbookWritten by two of the worlds foremost authorities on mental calculation, The Mental Calculators Handbook is essential reading for aspiring calculating prodigies. From multiplying fractions to extracting square roots, all the techniques are presented and explained in a clear and rigorous way.
Written by two of the worldÕs foremost authorities on mental calculation, The Mental CalculatorÕs Handbook is essential reading for aspiring calculating prodigies. From multiplying fractions to extracting square roots, all the techniques are presented and explained in a clear and rigorous way.
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