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Toshiba BC-1621 Desktop Calculator


Image Courtesy of the Science Museum Group

One of Toshiba's first-generation electronic calculators utilizing discrete transistor technology, the Toscal BC-1621 was introduced in April of 1968. Four function with square root and percentage functions. Two memory registers, one with an automatic accumulation mode. 16-digit Nixie tube display. Thumbwheel-selectable fixed decimal point location.