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Old Calculator Museum Advertising & Documentation Archive
Friden 1201 Calculator Advertisement

Advertisement for Friden 1201 calculator, circa 1973.
Original document provided through the estate of Clifford Rueff, Friden Service Technician, Denver, CO

The 1201 was the entry-level calculator in Singer/Friden's 1200-Series of calculators. The 1200-Series calculators were a departure from Singer/Friden's earlier use of calculators made in Japan by Hitachi (the 111X-Series). The 1200-Series machines were made in the USA using US-manufactured parts. The 1201 was a twelve digit, five function (+, -, X, ÷ %) machine with a single accumulator-style memory register. There were two other machines in the 1200-Series, including the 1202, and the Friden 1203. These machines all utilized Large Scale Integration circuit technology made by Rockwell and Burroughs Panaplex II displays.