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SCM Cogito 240 Desktop Calculator

Image Courtesy of the Smithsonian National Museum of American History, Kenneth E. Behring Center

SCM's first electronic calculator, introduced in June of 1965, utilizing transistorized logic and a small magnetostrictive delay line for register storage. CRT display, with three working registers, and three "surrogate" memory registers. Electromechanical keyboard. Four function with sum of products/quotients accumulation. See the Old Calculator Museum exhibit for SCM Cogito 240SR for more information.