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Sharp EL-640 VOICE SYNTHESIZED CLOCK & CALCULATOR

The Sharp EL-640 VOICE SYNTHESIZED CLOCK & CALCULATOR is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 26 keys and an LCD (liquid crystal) display. The power source is 4xAA batteries.

Facts at a glance:

Type Arithmetic
Functions 5
Keys 26
Precision 8
Logic Algebraic
Display type LCD
Display size
Printer
Length 154 mm
Width 77 mm
Thickness 20 mm
Weight unknown g
Power Source 4xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1978
Year discontinued

See other calculators manufactured by Sharp.