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Radio Shack EC-223 CHRONOMATH

The Radio Shack EC-223 CHRONOMATH is an arithmetic calculator with 8 digits precision and algebraic logic. It has 4 functions, 23 keys and a VFD (vacuum fluorescent) display. The power source is AA+2x1.5V mercury cell.

Facts at a glance:

Type Arithmetic
Functions 4
Keys 23
Precision 8
Logic Algebraic
Display type VFD
Display size
Length 64 mm
Width 144 mm
Thickness 32 mm
Weight 124 g
Power Source AA+2x1.5V mercury cell
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1977

See other calculators manufactured by Radio Shack.