Comrade Calculator Cultivates Prosperity

Sergei Frolov curated a gallery of vintage Soviet calculators, including several like this beauty that use nixie tubes for the readout. Don’t miss the cloned owlculator, Chinese Casio knock-offs, strange mice, a kid’s calculator without a display that simply responds ja or nyet if you’d input a correct equation. There’s more than just electronic calcs as well; he’s also got several models of fully mechanical, crank-powered arithmometers.

1. [trr]

   Wow. 14 digits. Looks like it weighs two pounds per digit.