four mnltlplloations and one addition.All this is done in a few seconds ; much more rapidlythan if a skilled mathematician had taken the pen.But Inaudi is not merely a calculating machine, for heis also capable of doing the work of a true mathema-tician and of finding by arithmetic and… … JACQUES INAUDI, THE RAPID CALCULATOR. of view, Inaudi has solved in our presence quite com-plex problems, which, worked out in this way, neces-sitated more than sixty successive operations that seemto pass before his eyes with amazing rapidity, like thefigures of a kaleidoscope incessantly in…
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