Dismac Industrial
Dismac Industrial S.A. was founded on January 25, 1973 by the Austrian Joseph Martin Feder on January 25, 1973, in Manaus, the capital of the state of Amazonas. The goal of the company was to win a slice of the growing Brazilian market for electronic calculators, then dominated by imported products. Within just 10 years, 60% of electronic desk calculators sold in Brazil were the Dismac brand. In 1979, Dismac became the largest Brazilian exporter of electronic calculators. Within the Datamath Calculator Museum we feature the unique SR-50 sold in 1974.
Joerg Woerner, Datamath Calculator Museum
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