Sharp EL-640 VOICE SYNTHESIZED CLOCK & CALCULATOR

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1978
Description

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.

Legacy Content: Unknown Author
Hardware Type
Calculator
Manufacturer
Sharp Corporation
Model Number
EL-640
Launch Date
1978

Citations:

Courtesy of calculator.org
Courtesy of MyCalcDB
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