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Singer/Friden EC1116 Desktop Calculator
Image Courtesy Alex Knight
High-end of 2nd-generation Singer/Friden
111x-series calculators. 16-digit capacity, fixed decimal, two memory
accumulators, four function plus square root. Small and medium-scale
MOS circuitry.
See exhibits in the Old Calculator Web Museum on the
Friden 1113,
Friden 1114, and
Friden 1115 for more
information on similar calculators.