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Sears 728.58821

The Sears 728.58821 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 4 functions, 17 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA batteries.

Facts at a glance:

Type Arithmetic
Functions 4
Keys 17
Precision 8
Logic Algebraic
Display type LED
Display size
Printer
Length 158 mm
Width 77 mm
Thickness 32 mm
Weight 142 g
Power Source 3xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1973
Year discontinued 1974

See other calculators manufactured by Sears.