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The Magic of Continuous Memory

Posted by Paul Brogger on 20 Feb 2001, 3:19 p.m.

I can remember it as if it were yesterday.

My math professor had convinced several of us to get HP-21's rather than the National Semiconductor & TI models that were available for much less, and I'd been using mine for a year. It was time to "trade up", however, so I mail-ordered an HP-29C.

At the next lecture session after its arrival, I went up to Matt and showed it to him.

I turned it on.

Instead of the red "0.00" in the display (to which we were accustomed), it showed the x-register value as of the time I'd last turned it off!

He let out a soft, and deeply appreciative "Ohhhh . . . "

To which I responded in kind, "Yeahhhh . . . "

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