Vintage 1970s Unitrex 902SN Electeonic Calculator Works
$10 $39
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Vintage 1970s Unitrex 902SN Electeonic Calculator Works
The Unitrex 902SN is a scientific calculator with 8 digits precision and algebraic logic. It has 16 functions, 19 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.
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