HP 71B Pocket Computer from 1984
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Plus42 Review - An Enhanced HP-42S Calculator Simulator
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HP 71B - FORTH/Assembler ROM from 1984
23:31
HP 28C Scientific Calculator from 1987 - A new beginning
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TI-74 Basicalc Pocket Computer from 1985
31:29
HP-41CX Pocket Computer Hiding as a Calculator - First Look
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HP 27S - HP's elegant "Do All" calculator from 1988
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The Trash Computer That Became Your Phone
5:06