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1977
Hardware Description
The Citizen 831RD is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 28 keys and a VFD (vacuum fluorescent) display. The power source is 2xAA batteries.
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Model Number:
831RD -
Manufacturer:
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Hardware Type:
Calculator -
Manufacture Year:
1977 -
More Info:
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