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Casio 121K Desktop Calculator


Image Courtesy Nigel Tout

Casio Desktop Nixie-Tube display Calculator. 12-Digit, four-function with constant and accumulating total register. Circa late 1970, uses early Fairchild 4-chip LSI calculator chipset. AC-Powered.

Click HERE to see Nigel Tout's great exhibit on the Casio 121-K.