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RE: RE: Yesterday's Technique, Or Technique Of The Past II.
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RE: Yesterday's Technique, Or Technique Of The Past II.

somenick(-3)
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I have never seen that mechanical calculator before, but I know that in the late 1960s, Hewlett Packard had created a portable electronic calculator. I used one of those, but it took some getting used to. But they were pretty powerful all in all.

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