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1978
Hardware 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.
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Model Number:
EL-640 -
Manufacturer:
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Hardware Type:
Calculator -
Manufacture Year:
1978 -
More Info:
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