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Unisonic 1540L

The Unisonic 1540L is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 25 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 2xAA batteries.

Facts at a glance:

Type Arithmetic
Functions 8
Keys 25
Precision 8
Logic Algebraic
Display type LED
Display size
Printer
Length 133 mm
Width 83 mm
Thickness 25 mm
Weight unknown g
Power Source 2xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued

See other calculators manufactured by Unisonic.