Citizen Business Machines: Difference between revisions
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Latest revision as of 07:43, 2 February 2016
Calculator manufacturer based in Japan.
1974 Added three new calculators to its range. The Private Citizen, 120D, designed for everyday private use. The Business Citizen, 820R, industrial and commercial market with a percentage key and The Scientific Citizen, 820R, with triganometric functions, inverse, logarithms, roots and powers.