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Radio Shack EC-304 (mity-thin or CHRONOWATCH LCD)

The Radio Shack EC-304 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 24 keys, and an LCD (liquid crystal) display. The calculator was manufactured in Hong-Kong. Note: time/date function

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys24
Precision8
LogicAlgebraic
Display typeLCD
CountryHong-Kong
Year introduced1985

Replacements:

If you have a Radio Shack EC-304 that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Radio Shack