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Show Arithmetic by Color. A wonderful calculating girl, Mils. Dlamandl, has been presented to tho Society of Anthropology ln Paris. In tho presence of many eminent mathematicians mathe-maticians sho performed several re-markablo re-markablo feats, such as working out almost Instantly, und by mental process only, the squaro of 25 figures, subtractions sub-tractions of sums of 12 figures, tho square root of from eight to 12 figures, fig-ures, and the cubic root of from six to ten figures. Mile. Dlamandl, who is only 20 and of Greek origin, Bays that every figure presents Itself to her mind's eye In n different color. Thus No. 1 Is always black, No. 2 yellow, No. 3 pink, nnd so on. This color vision Is constant, and is entirely Independent Inde-pendent of her own volition. |