Eiko Unitrex 1200 |
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Written by Accutron on 2017-03-12 |
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The Eiko Unitrex 1200 is a fairly standard four-function calculator from 1972, based on the Mostek MK5011P single-chip calculator. Like many small machines from this era, the Unitrex 1200 cannot perform floating-point arithmetic. Precision is set with a switch, at zero, two, three or four decimal places.

Eiko Unitrex 1200 four-function desktop calculator.

Unitrex 1200, internal construction. The Unitrex 1200 is based on the Mostek MK5011P, an early single-chip calculator similar to the MK6010.
This article is part of the [Electronic Calculators] exhibit.
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