Sherwood, John C., Conjurer’s Calculator, The. (ID-19653)

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Setterington, Arthur, Numetrics. (ID-19449)

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Rouse-Ball, W. W., Mathematical Recreations and Essays. (ID-18840)

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Sagoo, Vinny, Mind the Maths Magic. (ID-18972)

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Robelly (Robert Rouet), Méthode de Calcul Extra-Rapide. (ID-18430)

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